Weight-Based Dosage Calculator

Calculate medication dosage based on a person's weight.

Input

Liquid Formulation (optional):

Results

Important: Inputs must be complete to perform calculation.

Dose:

Liquid Dose:

Equations Used:
Dose = Weight * Dosage
LiquidDose = Dose * PerVolume / MedAmount

Age-Specific Dosage Guidelines and Safety Precautions
Age Group Dosage Guidelines (Example) Frequency Maximum Dosage (Should Not Exceed) Notes on Exceeding Dosage
Infants (0-1 year) 2.5-5 mg/kg per dose Every 6-8 hours 30 mg/kg per day Exceeding dosage can lead to serious side effects such as respiratory distress. Always consult a pediatrician.
Children (1-12 years) 5-10 mg/kg per dose Every 6-8 hours 60 mg/kg per day Overdosing may cause nausea, vomiting, and other adverse effects. Seek medical advice immediately.
Adolescents (12-18 years) 10-15 mg/kg per dose Every 6-8 hours 90 mg/kg per day Exceeding the recommended dosage can result in severe side effects including liver damage. Consult a healthcare provider.
Adults (18+ years) 500-1000 mg per dose Every 6-8 hours 4000 mg per day Overdosing can lead to toxicity and serious health issues. Immediate medical attention is required.
def calculate_dosage(*args, **kwargs): try: # Get input values from user fields dosage = float(Element("dosage").element.value) weight = float(Element("weight").element.value) med_amount = Element("med-amount").element.value per_volume = Element("per-volume").element.value # Check if dosage and weight are valid if dosage <= 0 or weight <= 0: Element("dose-result").write("") Element("liquid-dose-result").write("") return # Calculate the dose dose = weight * dosage # Check if optional fields are filled for liquid formulation calculation if med_amount and per_volume: med_amount = float(med_amount) per_volume = float(per_volume) if med_amount <= 0 or per_volume <= 0: Element("liquid-dose-result").write("") return # Calculate the liquid dose liquid_dose = (dose * per_volume) / med_amount else: liquid_dose = None # Display the calculated dose and liquid dose if available Element("dose-result").write(f"{dose:.2f} mg") if liquid_dose is not None: Element("liquid-dose-result").write(f"{liquid_dose:.2f} mL") else: Element("liquid-dose-result").write("N/A") except ValueError: # Handle invalid input cases Element("dose-result").write("") Element("liquid-dose-result").write("") # Attach the calculate_dosage function to input changes input_elements = ["dosage", "weight", "med-amount", "per-volume"] for element_id in input_elements: Element(element_id).element.oninput = calculate_dosage