Infectious Disease Drugs

274 drugs

Quick-reference dosing for 274 infectious disease medicines, aligned to current UK formularies. Each entry lists adult, paediatric and (where relevant) neonatal doses, renal and hepatic adjustments, contraindications, key interactions, monitoring and clinical pearls — with the source reference. Always confirm doses against current prescribing references before prescribing.

Abacavir

Nucleoside reverse transcriptase inhibitor (NRTI)
Abacavir with dolutegravir and lamivudine

Single-tablet HIV regimen (NRTI + INSTI)
Abacavir with lamivudine

Dual NRTI backbone
Abacavir with lamivudine and zidovudine

Triple NRTI fixed-dose combination
Aciclovir

Antiviral (purine nucleoside analogue)
Albendazole

Anthelmintic (benzimidazole)
Amikacin

Aminoglycoside — Drug-Resistant Gram-Negative / MDR-TB
Amikacin

Aminoglycoside Antibiotic
Aminosalicylic Acid (Para-aminosalicylic acid, PAS)

Antimycobacterial (Anti-tuberculosis Agent)
Amoxicillin

Beta-lactam antibiotic (aminopenicillin)
Amphotericin B

Polyene Antifungal
Amphotericin B (Liposomal)

Polyene Antifungal — Invasive Fungal Infections (Aspergillosis / Cryptococcosis / Candida)
Ampicillin

Aminopenicillin Antibiotic
Anidulafungin

Echinocandin Antifungal — Invasive Candidiasis / Candidaemia
Anidulafungin

Echinocandin Antifungal
Artemether with Lumefantrine

Artemisinin-Based Combination Antimalarial (ACT)
Artesunate

Artemisinin Derivative Antimalarial
Atazanavir

HIV Protease Inhibitor (Antiretroviral)
Atazanavir with Cobicistat

HIV Protease Inhibitor + Pharmacokinetic Enhancer (Antiretroviral)
Atovaquone

Antiparasitic / Antifungal — PCP Prophylaxis / Treatment / Malaria
Atovaquone

Antiprotozoal / Antipneumocystis
Atovaquone with Proguanil Hydrochloride

Antimalarial (Combination — Prophylaxis and Treatment)
Azithromycin

Macrolide Antibiotic
Azithromycin

Macrolide antibiotic
Aztreonam

Monobactam antibiotic
Aztreonam with avibactam

Monobactam + beta-lactamase inhibitor
Baloxavir marboxil

Cap-dependent endonuclease inhibitor (antiviral)
Baloxavir Marboxil

Influenza Antiviral — Cap-Dependent Endonuclease Inhibitor
Bedaquiline

Diarylquinoline antimycobacterial (MDR-TB)
Benzathine benzylpenicillin

Long-acting penicillin
Benzathine Benzylpenicillin

Long-Acting Penicillin — Syphilis / Rheumatic Fever Prophylaxis
Benzylpenicillin (Penicillin G)

Natural Penicillin Antibiotic
Benzylpenicillin sodium

Penicillin G (parenteral)
Bictegravir with emtricitabine and tenofovir alafenamide

Single-tablet HIV regimen (INSTI + 2× NRTI)
Botulism antitoxin

Equine antitoxin (passive immunisation)
Bulevirtide

Hepatitis D virus entry inhibitor
Cabotegravir

INSTI (long-acting injectable)
Caspofungin

Echinocandin Antifungal
Cefaclor

Second-generation cephalosporin
Cefadroxil

First-generation oral cephalosporin
Cefalexin

First-Generation Cephalosporin — Skin / Soft Tissue / UTI
Cefalexin

First-generation oral cephalosporin
Cefepime

Fourth-generation cephalosporin
Cefepime with enmetazobactam

4th-gen cephalosporin + beta-lactamase inhibitor
Cefiderocol

Siderophore Cephalosporin (Pan-Drug Resistant Gram-Negatives)
Cefiderocol

Siderophore cephalosporin
Cefixime

Third-generation oral cephalosporin
Cefotaxime

Third-generation cephalosporin
Cefoxitin

Cephamycin (2nd-gen-like, anaerobic cover)
Cefradine

First-generation cephalosporin
Ceftaroline fosamil

Fifth-generation cephalosporin (anti-MRSA)
Ceftazidime

Third-Generation Cephalosporin — Pseudomonas / Gram-Negative Infections
Ceftazidime

Third-generation cephalosporin (anti-pseudomonal)
Ceftazidime / Avibactam

Beta-Lactam / Beta-Lactamase Inhibitor (MDR Gram-Negative)
Ceftazidime with avibactam

Cephalosporin + beta-lactamase inhibitor
Ceftobiprole

Fifth-generation cephalosporin (broad incl MRSA)
Ceftolozane with tazobactam

Cephalosporin + beta-lactamase inhibitor
Ceftriaxone

3rd Generation Cephalosporin
Cefuroxime

Second-Generation Cephalosporin — Respiratory / Surgical Prophylaxis
Chikungunya vaccine (inactivated)

Vaccine
Chikungunya vaccine (live attenuated)

Vaccine
Chloramphenicol

Amphenicol — Meningitis (Alternative) / Topical Eye Infections
Chloramphenicol

Antibiotic — broad-spectrum
Chloroquine

Antimalarial / 4-aminoquinoline
Cholera vaccine (inactivated, oral)

Vaccine
Cholera vaccine (live attenuated, oral)

Vaccine
Cidofovir

Nucleotide analogue antiviral
Ciprofloxacin

Fluoroquinolone antibiotic
Ciprofloxacin with dexamethasone

Topical otic antibiotic + corticosteroid
Ciprofloxacin with fluocinolone acetonide

Topical otic antibiotic + corticosteroid
Clarithromycin

Macrolide Antibiotic — Respiratory / H. pylori / MAC
Clarithromycin

Macrolide antibiotic
Clindamycin

Lincosamide Antibiotic
Clindamycin

Lincosamide antibiotic
Clofazimine

Antimycobacterial
Co-amoxiclav (Amoxicillin/Clavulanate)

Beta-lactam + beta-lactamase inhibitor
Co-fluampicil

Flucloxacillin + ampicillin
Co-trimoxazole

Trimethoprim + sulfamethoxazole
Co-trimoxazole (Trimethoprim + Sulfamethoxazole)

Folate Synthesis Inhibitor Combination — PCP / Toxoplasma / Nocardia / UTI Prophylaxis
Cobicistat

Pharmacokinetic enhancer (CYP3A4 inhibitor)
Colistimethate sodium

Polymyxin antibiotic
Colistin (Polymyxin E)

Polymyxin — Last-Resort MDR / Carbapenem-Resistant Gram-Negatives
COVID-19 vaccine

Vaccine
Cycloserine

Antimycobacterial (MDR-TB)
Cytomegalovirus immunoglobulin

Hyperimmune globulin
Daclatasvir

Direct-acting antiviral (HCV NS5A inhibitor)
Dalbavancin

Lipoglycopeptide (Long-Acting ABSSSI / MRSA)
Dalbavancin

Long-acting lipoglycopeptide antibiotic
Dapsone

Sulfone antibiotic / immunomodulator
Daptomycin

Cyclic Lipopeptide — MRSA / VRE / Bacteraemia / Endocarditis
Daptomycin

Cyclic lipopeptide antibiotic
Darunavir

HIV protease inhibitor (boosted)
Darunavir with cobicistat

PI + booster fixed-dose
Darunavir with cobicistat, emtricitabine and tenofovir alafenamide

Single-tablet HIV regimen (PI + booster + 2× NRTI)
Delafloxacin

Fluoroquinolone antibiotic
Delamanid

Nitroimidazole antimycobacterial (MDR-TB)
Dengue vaccine

Live attenuated vaccine
Diethylcarbamazine

Antifilarial
Diphtheria antitoxin

Equine antitoxin (passive immunisation)
Dolutegravir

Integrase strand-transfer inhibitor (INSTI) — antiretroviral
Dolutegravir with rilpivirine

Two-drug HIV maintenance regimen (INSTI + NNRTI)
Doravirine

NNRTI (antiretroviral)
Doxycycline

Tetracycline antibiotic
Efavirenz

NNRTI (antiretroviral)
Efavirenz with emtricitabine and tenofovir disoproxil

Single-tablet HIV regimen
Elbasvir with grazoprevir

Direct-acting antiviral (NS5A + NS3/4A protease inhibitor)
Elvitegravir

HIV integrase strand transfer inhibitor (INSTI)
Elvitegravir with cobicistat, emtricitabine and tenofovir alafenamide

Single-tablet HIV regimen (INSTI + booster + 2× NRTI)
Elvitegravir with cobicistat, emtricitabine and tenofovir disoproxil

Single-tablet HIV regimen (INSTI + booster + 2× NRTI)
Emtricitabine

NRTI (antiretroviral)
Emtricitabine with rilpivirine and tenofovir alafenamide

Single-tablet HIV regimen (NRTI + NNRTI + NRTI)
Emtricitabine with rilpivirine and tenofovir disoproxil

Single-tablet HIV regimen
Emtricitabine with tenofovir alafenamide

NRTI backbone (HIV / PrEP)
Emtricitabine with tenofovir disoproxil

NRTI backbone (HIV / PrEP)
Enfuvirtide

HIV fusion inhibitor
Entecavir

Nucleoside analogue (HBV)
Eravacycline

Fluorocycline antibiotic (tetracycline class)
Ertapenem

Carbapenem — ESBL / Complicated Intra-Abdominal / Community OPAT
Ertapenem

Carbapenem antibiotic
Erythromycin

First-Generation Macrolide — Penicillin Allergy Alternative / Gastroparesis Prokinetic
Erythromycin

Macrolide antibiotic
Ethambutol

Antitubercular — First-Line TB (RIPE Regimen, 'E')
Ethambutol hydrochloride

Antimycobacterial (TB)
Etravirine

NNRTI (2nd generation)
Famciclovir

Nucleoside antiviral (penciclovir prodrug)
Fidaxomicin

Macrocyclic antibiotic (narrow-spectrum)
Flucloxacillin

Penicillinase-Resistant Penicillin — Staphylococcal Infections
Fluconazole

Triazole antifungal
Flucytosine

Antifungal (pyrimidine analogue)
Fosamprenavir

Protease inhibitor (amprenavir prodrug)
Foscarnet sodium

Pyrophosphate antiviral
Fosfomycin

Phosphonic Acid Antibiotic — Uncomplicated UTI / ESBL / MDR Gram-Negatives
Fosfomycin

Phosphonic Acid Antibiotic (Uncomplicated UTI / MDR UTI)
Fosfomycin

Phosphonic acid antibiotic
Fostemsavir

HIV-1 attachment inhibitor
Framycetin sulfate

Aminoglycoside antibiotic (topical)
Fusidic acid

Steroidal antibiotic
Ganciclovir

Antiviral — CMV Treatment (IV) / Retinitis / Transplant
Ganciclovir

Nucleoside antiviral (CMV)
Gentamicin

Aminoglycoside Antibiotic
Glecaprevir with pibrentasvir

Direct-acting antiviral (HCV NS3/4A + NS5A)
Griseofulvin

Antifungal (oral)
Hepatitis A and B vaccine (combined)

Vaccine
Hepatitis A vaccine

Vaccine
Hepatitis B immunoglobulin (HBIG)

Human immunoglobulin
Hepatitis B vaccine

Vaccine
Herpes-zoster vaccine (recombinant, adjuvanted)

Vaccine
Hib + Meningococcal C vaccine

Conjugate vaccine
Human papillomavirus vaccine

Vaccine
Hydroxychloroquine

Aminoquinoline — Malaria Prophylaxis / SLE / Rheumatoid Arthritis
Imipenem with cilastatin

Carbapenem antibiotic
Imipenem with cilastatin and relebactam

Carbapenem + β-lactamase inhibitor
Influenza vaccine (inactivated)

Vaccine
Influenza vaccine (live attenuated, intranasal)

Vaccine
Inosine pranobex

Antiviral / immunomodulator
Interferon gamma-1b

Interferon
Isavuconazole

Triazole Antifungal (Aspergillosis / Mucormycosis)
Isavuconazole

Triazole antifungal
Isoniazid

Anti-Tuberculosis Antibiotic
Itraconazole

Triazole Antifungal — Dermatophytes / Aspergillus / Endemic Mycoses
Itraconazole

Triazole antifungal
Ivermectin

Antiparasitic
Japanese encephalitis vaccine

Vaccine
Ketoconazole

Imidazole antifungal
Lamivudine

Nucleoside reverse transcriptase inhibitor
Lamivudine with dolutegravir

NRTI + INSTI dual regimen
Lamivudine with tenofovir disoproxil and doravirine

NRTI/NRTI/NNRTI single-tablet regimen
Ledipasvir with sofosbuvir

DAA HCV (NS5A + NS5B inhibitor)
Lefamulin

Pleuromutilin Antibiotic (Community-Acquired Pneumonia)
Lenacapavir

HIV-1 capsid inhibitor (long-acting)
Letermovir

CMV Antiviral — Viral Terminase Inhibitor (Prophylaxis in HSCT)
Letermovir

CMV terminase inhibitor
Levamisole

Antihelminthic / immunomodulator
Levofloxacin

Fluoroquinolone Antibiotic
Levofloxacin

Fluoroquinolone antibiotic
Linezolid

Oxazolidinone — MRSA / VRE / Drug-Resistant TB (adjunct)
Linezolid

Oxazolidinone antibiotic
Lopinavir / Ritonavir

HIV Protease Inhibitor (Boosted) — Antiretroviral Therapy
Lopinavir with ritonavir

Protease inhibitor (boosted)
Maraviroc

CCR5 antagonist
Maribavir

Anti-CMV (UL97 inhibitor)
Measles, mumps and rubella vaccine

Live vaccine
Mebendazole

Antihelminthic
Mefloquine

Antimalarial
Meningococcal ACWY vaccine

Conjugate vaccine
Meningococcal group B vaccine

Vaccine
Mepacrine hydrochloride

Aminoacridine
Meropenem

Carbapenem antibiotic
Meropenem with vaborbactam

Carbapenem + β-lactamase inhibitor
Metronidazole

Nitroimidazole antibiotic / antiprotozoal
Micafungin

Echinocandin Antifungal — Invasive Candidiasis / Prophylaxis in HSCT
Micafungin

Echinocandin antifungal
Miconazole

Imidazole antifungal
Minocycline

Tetracycline antibiotic
Molnupiravir

COVID-19 Antiviral — RNA Polymerase Mutagenic Agent
Molnupiravir

SARS-CoV-2 RNA polymerase inhibitor
Moxifloxacin

Fluoroquinolone antibiotic
Neomycin sulfate

Aminoglycoside antibiotic (topical/oral)
Netilmicin

Aminoglycoside antibiotic
Nevirapine

Non-nucleoside reverse transcriptase inhibitor (1st gen)
Nirmatrelvir / Ritonavir

COVID-19 Antiviral — Protease Inhibitor Combination
Nirmatrelvir with ritonavir

SARS-CoV-2 protease inhibitor + booster
Nitazoxanide

Antiparasitic / Antiviral — Cryptosporidiosis / Giardia / Clostridium difficile
Nitrofurantoin (UTI Treatment)

Urinary Antiseptic
Nystatin

Polyene antifungal
Ofloxacin

Fluoroquinolone antibiotic
Oritavancin

Lipoglycopeptide antibiotic
Oseltamivir

Neuraminidase Inhibitor (Antiviral)
Oseltamivir

Neuraminidase inhibitor
Oxytetracycline

Tetracycline antibiotic
Peginterferon alfa

Pegylated interferon (immunomodulator)
Pentamidine isetionate

Antiprotozoal (PCP, leishmaniasis, trypanosomiasis)
Phenoxymethylpenicillin

Narrow-spectrum penicillin (Penicillin V)
Piperacillin with tazobactam

Antipseudomonal penicillin + β-lactamase inhibitor
Piperacillin/Tazobactam

Extended-spectrum beta-lactam + beta-lactamase inhibitor
Piperaquine phosphate with artenimol

Antimalarial combination (DHA-piperaquine)
Pivmecillinam hydrochloride

Penicillin (amidinopenicillin)
Pneumococcal polysaccharide conjugate vaccine (adsorbed)

Pneumococcal vaccine (conjugate)
Pneumococcal polysaccharide vaccine

Pneumococcal vaccine (PPV23)
Posaconazole

Extended-Spectrum Triazole — Aspergillus / Mucor / Prophylaxis in Immunocompromised
Praziquantel

Anthelmintic (praziquinoline)
Primaquine

8-aminoquinoline antimalarial
Pyrazinamide

Antitubercular — First-Line TB (RIPE Regimen, 'P')
Pyridoxine (Vitamin B6)

Antidote / Vitamin
Pyrimethamine

Folate antagonist (antimalarial/antiprotozoal)
Quinine

Antimalarial — Severe / Complicated Malaria (IV) / Nocturnal Cramps (Oral)
Rabies immunoglobulin

Human rabies immunoglobulin (HRIG)
Rabies vaccine

Inactivated rabies vaccine
Raltegravir

HIV integrase strand-transfer inhibitor
Remdesivir

Antiviral — RNA Polymerase Inhibitor (COVID-19 / Hepatitis)
Respiratory syncytial virus (RSV) vaccine

RSV pre-fusion F protein vaccine
Rezafungin

Long-acting echinocandin
Ribavirin

Nucleoside antiviral
Rifabutin

Rifamycin antimycobacterial
Rifampicin

Rifamycin Antibiotic
Rifampicin with ethambutol, isoniazid and pyrazinamide

Antitubercular fixed-dose combination (4FDC)
Rifampicin with isoniazid

Antitubercular fixed-dose combination (RH)
Rifampicin with isoniazid and pyrazinamide

Antitubercular fixed-dose combination (RHZ)
Rilpivirine

NNRTI (HIV)
Ritonavir

HIV protease inhibitor (used as pharmacokinetic booster)
Rotavirus vaccine

Live oral attenuated rotavirus vaccine
Sofosbuvir

Direct-acting antiviral (NS5B inhibitor)
Sofosbuvir with velpatasvir

Pan-genotypic DAA combination
Sofosbuvir with velpatasvir and voxilaprevir

Pan-genotypic DAA salvage combination
Sotrovimab

Anti-SARS-CoV-2 spike monoclonal antibody
Streptomycin

Aminoglycoside antibiotic
Sulfadiazine

Sulfonamide antibiotic
Tedizolid

Oxazolidinone (ABSSSI / MRSA — 6-Day Course)
Teicoplanin

Glycopeptide Antibiotic — MRSA / Gram-Positive Infections
Temocillin

Carboxypenicillin (β-lactamase stable)
Tenofovir alafenamide

Nucleotide reverse transcriptase inhibitor (prodrug)
Tenofovir disoproxil

Nucleotide reverse transcriptase inhibitor
Terbinafine

Allylamine antifungal
Tetanus immunoglobulin

Human tetanus immunoglobulin (HTIG)
Tetracycline

Tetracycline antibiotic
Tick-borne encephalitis vaccine

Inactivated TBE vaccine
Tigecycline

Glycylcycline — MDR Gram-Negative / Polymicrobial / Complicated Intra-abdominal
Tobramycin

Aminoglycoside antibiotic
Tree pollen extracts

Allergen immunotherapy (sublingual)
Trimethoprim

Dihydrofolate reductase inhibitor / antibiotic
Tuberculin purified protein derivative

Mycobacterial antigen for delayed-type hypersensitivity testing
Typhoid vaccine (inactivated)

Inactivated polysaccharide typhoid vaccine
Typhoid vaccine (live)

Live oral attenuated typhoid vaccine (Ty21a)
Valaciclovir

Prodrug Antiviral — HSV / VZV / CMV Prevention (Oral)
Valaciclovir

Aciclovir prodrug
Valganciclovir

Prodrug Antiviral — CMV Prevention and Treatment (Oral)
Valganciclovir

Ganciclovir prodrug
Vancomycin

Glycopeptide antibiotic
Varicella-zoster vaccine

Live attenuated (Varivax/Varilrix/Zostavax) or recombinant subunit (Shingrix)
Voriconazole

Triazole Antifungal
Yellow fever vaccine

Live attenuated vaccine
Zanamivir

Neuraminidase inhibitor (antiviral)
Zidovudine

NRTI (antiretroviral)
Zidovudine with lamivudine

Dual NRTI combination (antiretroviral)