Home Back

Merck Vet Manual Chocolate Toxicity Calculator

Theobromine Dose Equation:

\[ \text{Theobromine Dose (mg/kg)} = \frac{\text{Chocolate Amount (g)} \times \text{Theobromine (mg/g)}}{\text{Body Weight (kg)}} \]

g
mg/g
kg

Unit Converter ▲

Unit Converter ▼

From: To:

1. What is the Theobromine Dose Equation?

The Theobromine Dose Equation calculates the amount of theobromine (in mg per kg of body weight) that an animal has ingested based on the amount and type of chocolate consumed. This is crucial for assessing potential chocolate toxicity risks in pets.

2. How Does the Calculator Work?

The calculator uses the Theobromine Dose equation:

\[ \text{Theobromine Dose (mg/kg)} = \frac{\text{Chocolate Amount (g)} \times \text{Theobromine (mg/g)}}{\text{Body Weight (kg)}} \]

Where:

Explanation: The equation calculates the dose of theobromine relative to the animal's body weight, which is critical for determining toxicity risk levels.

3. Importance of Theobromine Dose Calculation

Details: Accurate theobromine dose calculation is essential for veterinarians and pet owners to assess the severity of chocolate ingestion, determine appropriate treatment protocols, and prevent potential fatal outcomes in animals.

4. Using the Calculator

Tips: Enter chocolate amount in grams, theobromine content in mg/g, and body weight in kilograms. All values must be valid positive numbers.

5. Frequently Asked Questions (FAQ)

Q1: What is the toxic dose of theobromine for dogs?
A: Mild symptoms may appear at 20 mg/kg, more severe symptoms at 40-50 mg/kg, and seizures/cardiac effects can occur at 60+ mg/kg. Fatal doses typically range from 100-200 mg/kg.

Q2: How do I know the theobromine content of different chocolates?
A: Theobromine content varies by chocolate type: milk chocolate (~2.4 mg/g), semi-sweet (~5.4 mg/g), baking chocolate (~16 mg/g), and cocoa powder (~20 mg/g).

Q3: How quickly should I seek veterinary care after chocolate ingestion?
A: Immediate veterinary attention is recommended as theobromine can cause serious effects within 6-12 hours of ingestion.

Q4: Are some animals more sensitive to theobromine than others?
A: Yes, dogs are particularly sensitive due to slower metabolism of theobromine. Cats are also sensitive but less likely to consume chocolate.

Q5: What are the clinical signs of theobromine poisoning?
A: Symptoms include vomiting, diarrhea, restlessness, increased urination, tremors, elevated heart rate, seizures, and in severe cases, cardiac failure.

Merck Vet Manual Chocolate Toxicity Calculator© - All Rights Reserved 2025