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Peds Calc

Calculate pediatric dosages in seconds. Input the details, press Calculate Dosage, and get precise prescriptions for every child! No math required!

Enter the weight of the baby in lbs

Select the weight unit that you are meeasuring in.

Select a medication from your visible list.

Select the strength of Acetaminophen

Adjust the slider to set the frequency (times per day).

Select the desired frequency (times per day).

Select the desired to set the dosage amount.

By using the "Calculate Dose" button on pedscalc.com, you acknowledge and agree that while our calculations aim for accuracy, final prescription responsibility lies solely with you, the healthcare provider. pedscalc.com and its operators are not liable for any errors or omissions, or for the results obtained from the use of this information. Always verify calculations and exercise professional judgment.

Our Supported Medications

Below is a detailed list of pediatric medications currently by our pediatric dosing tools. Each entry offers a brief overview of the drug and its primary uses, ensuring you‘re well-informed every step of the way.

🌡️ Acetaminophen
Acetaminophen (paracetamol) is an analgesic and antipyretic widely used in pediatrics for fever and mild to moderate pain. When dosed by weight and within recommended limits, it is safe and effective. Standard pediatric oral liquid concentration is 160 mg/5 mL.
💊 Ibuprofen
Ibuprofen is a nonsteroidal anti-inflammatory drug (NSAID) used for fever and mild to moderate pain in children when dosed by weight.
🤧 Diphenhydramine
Diphenhydramine is a first-generation antihistamine used for allergic symptoms such as itching and hives. It can cause sedation and, in some children, paradoxical excitation.
🌬️ Prednisolone
Prednisolone is an oral corticosteroid commonly used in children for asthma exacerbations and other inflammatory conditions. Typical pediatric bursts are 1–2 mg/kg/day (max 60 mg/day) for 3–5 days.
🧫 Clindamycin
Clindamycin is a lincosamide antibiotic used in children for skin and soft-tissue infections, including MRSA coverage in some regions, and as an alternative for penicillin-allergic patients. Typical pediatric dosing is 20–40 mg/kg/day divided every 6–8 hours.
🤢 Ondansetron
Ondansetron (Zofran) is an anti-nausea medicine for children that blocks serotonin (5‑HT3) receptors. It is commonly used for vomiting from gastroenteritis and post‑operative nausea when prescribed by a clinician.
🌲 Dexamethasone
Dexamethasone is a potent corticosteroid used as a single oral dose for pediatric croup to reduce airway swelling and improve breathing. A widely used regimen is 0.6 mg/kg (max 10 mg); some protocols use lower doses (0.15–0.6 mg/kg) in mild/moderate cases per clinician judgment.
🦠 Oseltamivir
Oseltamivir (Tamiflu) is an antiviral for influenza A and B in children. When started promptly, it can reduce illness duration and complications in at‑risk kids. Weight‑based dosing uses a 6 mg/mL oral suspension or weight‑banded capsules.
🤧 Cetirizine
Cetirizine (Zyrtec) is a second‑generation antihistamine for allergic rhinitis and hives in children. It is usually once daily, minimally sedating, and well tolerated when dosed by age/weight.
🌼 Loratadine
Loratadine (Claritin) is a once‑daily, second‑generation antihistamine for allergic rhinitis and hives in children. It is generally non‑sedating at usual doses and well tolerated when dosed by age/weight.
🧫 Penicillin VK
Penicillin VK (phenoxymethylpenicillin) is a time‑tested narrow‑spectrum penicillin used in children for streptococcal pharyngitis and other susceptible infections, dosed by weight as an oral suspension.
🧪 Cefpodoxime
Cefpodoxime proxetil is an oral third‑generation cephalosporin used in pediatrics as an alternative for acute otitis media and sinusitis, especially in non‑anaphylactic penicillin allergy, dosed by weight as a 50 or 100 mg/5 mL suspension.
🧫 Cefuroxime
Cefuroxime is a second-generation cephalosporin antibiotic used in pediatrics for select respiratory and skin infections when clinically appropriate.
🧫 Cefprozil
Cefprozil is a second-generation cephalosporin used in pediatrics for select ENT and respiratory infections based on clinical judgment and local patterns.
🧫 Cefixime
Cefixime is an oral third-generation cephalosporin used selectively in pediatrics; dosing and use depend on indication and susceptibility.
🧫 Cefaclor
Cefaclor is a second-generation cephalosporin used selectively for pediatric infections based on susceptibility and guidelines.
🧫 Cefadroxil
Cefadroxil is a first-generation cephalosporin used in pediatrics for select skin and soft tissue infections and other indications when appropriate.
🧪 Ampicillin
Ampicillin is an aminopenicillin antibiotic. Outpatient oral use in children is selective; dosing is provided for pediatrics when clinically appropriate.
🧪 Dicloxacillin
Dicloxacillin is a penicillinase‑resistant penicillin used for infections due to methicillin‑susceptible Staphylococcus aureus (MSSA).
🌼 Chlorpheniramine
Chlorpheniramine (chlorphenamine) is a first‑generation H1 antihistamine used in children for allergy symptoms. It may cause drowsiness; use weight‑based dosing and avoid duplicate sedating medicines.
🍃 Brompheniramine
Brompheniramine is a first‑generation H1 antihistamine used for allergy symptoms in children; it can cause drowsiness and anticholinergic effects.
🍽️ Cyproheptadine
Cyproheptadine is a first‑generation antihistamine with antiserotonergic properties; in pediatrics it is used for allergy symptoms and sometimes for appetite stimulation per clinician direction.
🌿 Levocetirizine
Levocetirizine is a second‑generation H1 antihistamine used once daily for allergic rhinitis and chronic urticaria in children; less sedating than first‑generation agents.
🫗 Omeprazole
Omeprazole is a proton pump inhibitor (PPI) used in children for GERD and erosive esophagitis. Dosed once daily before meals; short‑term courses are common.
🍽️ Lansoprazole
Lansoprazole is a proton pump inhibitor (PPI) used once daily in children for GERD and erosive esophagitis; give before meals.
🥣 Pantoprazole
Pantoprazole is a proton pump inhibitor used in pediatrics for GERD and erosive esophagitis; give before meals.
🥞 Esomeprazole
Esomeprazole is a PPI used once daily in children for GERD and erosive esophagitis; give before meals.
🧪 Cimetidine
Cimetidine is an H2 receptor antagonist used in children for reflux symptoms; typically dosed 2–4 times daily. It has more drug interaction potential than other H2 blockers.
🧴 Nizatidine
Nizatidine is an H2 receptor antagonist used twice daily for reflux symptoms; fewer interactions than cimetidine.
😴 Hydroxyzine
Hydroxyzine is an antihistamine used to treat itching and anxiety. In pediatrics it is often chosen for short-term relief of allergic symptoms or as a mild sedative before procedures.
🦠 Amoxicillin
Amoxicillin is a broad-spectrum penicillin antibiotic widely used in pediatrics to treat common bacterial infections​ . It is known for its safety, effectiveness, and mild side effect profile, making it a first-line therapy for many childhood infections (such as ear infections, strep throat, and pneumonia)​. In pediatric care, amoxicillin’s role is crucial due to its reliable activity against typical bacteria that infect children and its generally well-tolerated nature.
🌡️ Cefdinir
Cefdinir is a third-generation cephalosporin antibiotic commonly used in pediatric medicine to treat a variety of bacterial infections. Its broad-spectrum activity and convenient dosing make it a valuable option for conditions such as otitis media, pharyngitis, sinusitis, and uncomplicated skin infections. Cefdinir is generally well-tolerated in children, with a favorable safety profile.
🌡️ Keflex
Keflex, also known as Cephalexin, is another cephalosporin antibiotic. It's effective against infections caused by bacteria, such as respiratory and urinary tract infections. With a variety of dosing ranges and strengths available, the calculator ensures you can provide a tailored approach for pediatric patients.
🦠 Biaxin
Biaxin, or Clarithromycin, is an antibiotic useful for treating a variety of bacterial infections, including bronchitis and pneumonia. Especially useful in treating infections in the middle ear, sinus, skin, and throat, its specific dosing options in the calculator make pediatric care streamlined and effective.
🤢 Pepcid
Pepcid is a brand name for Famotidine, which is primarily used to treat and prevent ulcers in the stomach and intestines. It also treats conditions where the stomach produces too much acid. The calculator provides a precise dosing range with a specific step value, allowing for precise adjustments according to pediatric needs.
🦠 Azithromycin
Azithromycin, often known under the brand name Zithromax or Z-Pak, is an antibiotic used to treat various bacterial infections, such as bronchitis and pneumonia. It's also useful against sexually transmitted infections. With specific strength options in the calculator, pediatric dosing is made easier and more accurate.
🦠 Augmentin
Augmentin is a combination of amoxicillin and clavulanate potassium. This duo works together to treat many different infections caused by bacteria, such as sinusitis, pneumonia, and urinary tract infections. The calculator provides specific dosing options, ensuring the effectiveness and safety of pediatric treatment.
🍄 Griseofulvin (Micro Sized)
Griseofulvin is an antifungal medication used to treat fungal infections of the skin, hair, and nails such as jock itch, athlete's foot, and barber's itch. The micro-sized formulation allows for better absorption and effectiveness. With various dosing options available in the calculator, it facilitates accurate pediatric dosing.
🦠 Sulfamethoxazole - Trimethoprim
Sulfamethoxazole - Trimethoprim is a combination antibiotic used to treat a variety of bacterial infections, including urinary tract infections, respiratory infections, and gastrointestinal infections. This medication works by inhibiting the growth of bacteria. The calculator provides precise dosing options to ensure optimal therapeutic outcomes and minimize side effects in pediatric patients.
💊 Erythromycin (EES)
Macrolide antibiotic used for pertussis, neonatal chlamydial infections, and atypical pneumonias when newer agents are not suitable.
💊 Metronidazole
Metronidazole is a nitroimidazole antimicrobial used in children for anaerobic bacterial and protozoal infections when targeted therapy is needed.
💊 Nitrofurantoin
Nitrofurantoin is a urinary antiseptic used for uncomplicated lower UTIs and prophylaxis in children who can concentrate urine effectively.
💊 Acyclovir
Acyclovir is a guanine analog antiviral used to shorten HSV lesions and targeted varicella courses when started promptly in children.
💊 Doxycycline
Doxycycline is a tetracycline antibiotic used for atypical pneumonia, tick-borne infections, acne, and other indications when benefits outweigh age-based staining risks.
💊 Naproxen
Naproxen is a nonsteroidal anti-inflammatory drug used in children for pain and inflammation when longer dosing intervals are preferred.
💊 Fluconazole
Fluconazole is an azole antifungal used for candidiasis and prophylaxis in immunocompromised children with excellent oral bioavailability.
💊 Ceftibuten
Ceftibuten is an oral third-generation cephalosporin used for select pediatric respiratory and urinary infections when susceptible organisms are confirmed.
💊 Prednisone
Prednisone is a systemic corticosteroid used for pediatric inflammatory, allergic, and immune-mediated conditions requiring short tapers or chronic control.
💊 Dimenhydrinate
Dimenhydrinate is an antihistamine with anticholinergic properties used in children for motion sickness and nausea management.
💊 Elemental Iron
Elemental iron supplements treat and prevent iron deficiency anemia; dosing is weight-based and often paired with vitamin C to enhance absorption.
💊 Sucralfate
Sucralfate forms a protective barrier on gastrointestinal ulcers and erosions, supporting healing while limiting systemic absorption.
💊 Minocycline
Minocycline is a tetracycline-class antibiotic used for acne and resistant infections when first-line options are unsuitable.
💊 Terbinafine
Systemic allylamine antifungal used once daily for tinea capitis, onychomycosis, and other dermatophyte infections in children.
💊 Albendazole
Albendazole is a benzimidazole anthelmintic used to treat intestinal nematodes and tissue cestode infections in children.
💊 Valacyclovir
Valacyclovir is the prodrug of acyclovir, offering higher exposure with fewer daily doses for HSV suppression and targeted varicella therapy in older children.
💊 Tinidazole
Tinidazole is a nitroimidazole antimicrobial that provides convenient single-dose therapy for giardiasis and trichomoniasis in children.
💊 Pyrantel Pamoate (base)
Pyrantel pamoate is an OTC depolarizing anthelmintic that paralyzes pinworms so they pass in stool.
💊 Propranolol
Propranolol is a non-selective beta blocker used for pediatric arrhythmias, migraines, hyperthyroidism symptoms, and infantile hemangioma.
💊 Nitazoxanide
Nitazoxanide is a thiazolide antimicrobial that treats protozoal diarrhea such as cryptosporidiosis and giardiasis in children.
💊 Ivermectin
Ivermectin is a macrocyclic lactone antiparasitic used for strongyloidiasis, onchocerciasis, and refractory ectoparasites in children.
💊 Indomethacin
Indomethacin is a potent NSAID used for PDA closure, rheumatologic flares, and specific inflammatory conditions under specialist guidance.
💊 Hydrochlorothiazide
Hydrochlorothiazide is a thiazide diuretic used for hypertension and edema in children able to maintain electrolyte balance.
💊 Bethanechol
Bethanechol is a cholinergic agonist used to improve bladder emptying in children with non-obstructive urinary retention.
💊 Clonidine
Clonidine is an alpha-2 agonist used in pediatrics for hypertension, ADHD adjunct, sleep dysregulation, and withdrawal management.

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