#cat-benadryl-calculator {
max-width: 700px;
margin: 20px auto;
padding: 20px;
background: #ffffff;
border-radius: 8px;
box-shadow: 0 2px 4px rgba(0,0,0,0.1);
font-family: -apple-system, BlinkMacSystemFont, ‘Arial’, sans-serif;
color: #333333;
box-sizing: border-box;
line-height: 1.5;
}
h2 {
text-align: center;
margin: 0 0 15px;
font-size: 1.5rem;
font-weight: 600;
color: #222222;
}
p {
text-align: center;
color: #666666;
font-size: 0.9rem;
margin-bottom: 20px;
}
.form-group {
margin-bottom: 20px;
position: relative;
}
label {
display: block;
margin-bottom: 6px;
font-size: 0.9rem;
font-weight: 600;
color: #333333;
}
input[type=”number”], select, #breed-input {
width: 100%;
padding: 10px;
border: 1px solid #dddddd;
border-radius: 4px;
font-size: 0.9rem;
box-sizing: border-box;
transition: border-color 0.3s;
}
input:focus, select:focus, #breed-input:focus {
border-color: #0073aa;
outline: none;
}
.autocomplete-list {
position: absolute;
width: 100%;
max-height: 150px;
overflow-y: auto;
background: #ffffff;
border: 1px solid #dddddd;
border-radius: 4px;
z-index: 10;
margin-top: 2px;
box-shadow: 0 2px 4px rgba(0,0,0,0.1);
}
.autocomplete-item {
padding: 8px;
font-size: 0.9rem;
cursor: pointer;
}
.autocomplete-item:hover {
background: #f0f0f0;
}
.tooltip {
position: relative;
display: inline-block;
margin-left: 5px;
cursor: help;
}
.tooltip .tooltip-text {
visibility: hidden;
width: 200px;
background: #333333;
color: #ffffff;
text-align: center;
border-radius: 4px;
padding: 6px;
position: absolute;
z-index: 10;
bottom: 125%;
left: 50%;
transform: translateX(-50%);
opacity: 0;
transition: opacity 0.3s;
font-size: 0.75rem;
}
.tooltip:hover .tooltip-text {
visibility: visible;
opacity: 1;
}
.button-group {
display: flex;
gap: 12px;
justify-content: center;
margin: 20px 0;
}
button {
padding: 10px 20px;
border: none;
border-radius: 4px;
cursor: pointer;
font-size: 0.9rem;
font-weight: 500;
transition: background 0.3s;
}
#calculate-btn {
background: #0073aa;
color: #ffffff;
}
#calculate-btn:hover {
background: #005177;
}
#reset-btn {
background: #6c757d;
color: #ffffff;
}
#reset-btn:hover {
background: #5a6268;
}
#copy-btn {
background: #28a745;
color: #ffffff;
}
#copy-btn:hover {
background: #218838;
}
#result {
margin-top: 20px;
padding: 15px;
border-radius: 4px;
font-size: 0.9rem;
line-height: 1.6;
min-height: 30px;
}
#result.success {
background: #e6f4ea;
border: 1px solid #28a745;
}
#result.error {
background: #f8d7da;
border: 1px solid #dc3545;
}
.safety-tips {
margin-top: 15px;
font-size: 0.85rem;
}
.safety-tips ul {
padding-left: 20px;
}
noscript {
display: block;
color: #dc3545;
text-align: center;
margin-top: 15px;
font-size: 0.9rem;
}
@media (max-width: 600px) {
#cat-benadryl-calculator {
margin: 10px;
padding: 15px;
}
h2 {
font-size: 1.3rem;
}
.button-group {
flex-direction: column;
}
button {
width: 100%;
}
}
Weight: ${weight} ${unit}
Dosage: ${dosageMg.toFixed(1)} mg
Medication Form: ${form === ‘tablet-25′ ? ’25 mg Tablet’ : form === ‘tablet-12.5’ ? ‘12.5 mg Tablet’ : ‘Liquid (12.5 mg/5 ml)’}
Amount: ${dosageText}
Frequency: Every 8–12 hours, up to 3 times daily, as advised by your vet.
Cat Benadryl Dosage Calculator
Calculate the safe Benadryl dosage for your cat based on weight. Always consult a veterinarian before administering any medication.
Pounds (lb)
Kilograms (kg)
Tablet (25 mg)
Tablet (12.5 mg)
Liquid (12.5 mg/5 ml)
Enter your cat’s weight and medication form, then click “Calculate”.
JavaScript is disabled. Please enable it to use the calculator.
(function() {
// Encapsulate to avoid WordPress conflicts
const calculator = document.getElementById(‘cat-benadryl-calculator’);
if (!calculator) return;
const form = document.getElementById(‘calc-form’);
const breedInput = document.getElementById(‘breed-input’);
const breedValue = document.getElementById(‘breed-value’);
const autocompleteList = document.getElementById(‘autocomplete-list’);
const weightInput = document.getElementById(‘weight’);
const weightUnit = document.getElementById(‘weight-unit’);
const medForm = document.getElementById(‘med-form’);
const resultDiv = document.getElementById(‘result’);
const breeds = [
{ name: ‘Abyssinian’, lifespan: [12, 15] },
{ name: ‘American Shorthair’, lifespan: [15, 20] },
{ name: ‘American Wirehair’, lifespan: [14, 18] },
{ name: ‘Australian Mist’, lifespan: [12, 16] },
{ name: ‘Balinese’, lifespan: [12, 18] },
{ name: ‘Bengal’, lifespan: [12, 16] },
{ name: ‘Birman’, lifespan: [12, 16] },
{ name: ‘Bombay’, lifespan: [12, 18] },
{ name: ‘British Shorthair’, lifespan: [12, 17] },
{ name: ‘Burmese’, lifespan: [14, 18] },
{ name: ‘Burmilla’, lifespan: [12, 15] },
{ name: ‘Chartreux’, lifespan: [11, 15] },
{ name: ‘Chausie’, lifespan: [12, 14] },
{ name: ‘Cheetoh’, lifespan: [12, 15] },
{ name: ‘Colorpoint Shorthair’, lifespan: [12, 16] },
{ name: ‘Cornish Rex’, lifespan: [11, 15] },
{ name: ‘Cymric’, lifespan: [8, 14] },
{ name: ‘Devon Rex’, lifespan: [9, 15] },
{ name: ‘Donskoy’, lifespan: [12, 15] },
{ name: ‘Egyptian Mau’, lifespan: [12, 15] },
{ name: ‘European Shorthair’, lifespan: [12, 18] },
{ name: ‘Exotic Shorthair’, lifespan: [8, 15] },
{ name: ‘Foldex’, lifespan: [12, 15] },
{ name: ‘Havana Brown’, lifespan: [10, 15] },
{ name: ‘Highlander’, lifespan: [12, 15] },
{ name: ‘Himalayan’, lifespan: [9, 15] },
{ name: ‘Japanese Bobtail’, lifespan: [15, 18] },
{ name: ‘Javanese’, lifespan: [12, 15] },
{ name: ‘Khao Manee’, lifespan: [10, 15] },
{ name: ‘Korat’, lifespan: [12, 18] },
{ name: ‘Kurilian Bobtail’, lifespan: [15, 20] },
{ name: ‘LaPerm’, lifespan: [12, 15] },
{ name: ‘Lykoi’, lifespan: [12, 15] },
{ name: ‘Maine Coon’, lifespan: [12, 15] },
{ name: ‘Manx’, lifespan: [8, 14] },
{ name: ‘Mekong Bobtail’, lifespan: [12, 18] },
{ name: ‘Minuet (Napoleon)’, lifespan: [12, 15] },
{ name: ‘Minskin’, lifespan: [12, 15] },
{ name: ‘Mixed/Other’, lifespan: [12, 18] },
{ name: ‘Munchkin’, lifespan: [12, 15] },
{ name: ‘Norwegian Forest Cat’, lifespan: [12, 16] },
{ name: ‘Ocicat’, lifespan: [12, 18] },
{ name: ‘Ojos Azules’, lifespan: [10, 12] },
{ name: ‘Oriental’, lifespan: [12, 15] },
{ name: ‘Persian’, lifespan: [12, 17] },
{ name: ‘Peterbald’, lifespan: [12, 15] },
{ name: ‘Pixiebob’, lifespan: [13, 15] },
{ name: ‘Ragdoll’, lifespan: [12, 17] },
{ name: ‘Russian Blue’, lifespan: [15, 20] },
{ name: ‘Safari’, lifespan: [12, 15] },
{ name: ‘Savannah’, lifespan: [12, 20] },
{ name: ‘Scottish Fold’, lifespan: [11, 14] },
{ name: ‘Selkirk Rex’, lifespan: [12, 15] },
{ name: ‘Serengeti’, lifespan: [10, 15] },
{ name: ‘Siamese’, lifespan: [12, 20] },
{ name: ‘Siberian’, lifespan: [11, 18] },
{ name: ‘Singapura’, lifespan: [11, 15] },
{ name: ‘Sokoke’, lifespan: [12, 15] },
{ name: ‘Somali’, lifespan: [11, 16] },
{ name: ‘Sphynx’, lifespan: [8, 12] },
{ name: ‘Thai’, lifespan: [12, 16] },
{ name: ‘Tonkinese’, lifespan: [12, 16] },
{ name: ‘Toybob’, lifespan: [12, 15] },
{ name: ‘Turkish Angora’, lifespan: [12, 18] },
{ name: ‘Turkish Van’, lifespan: [12, 17] },
{ name: ‘Ukrainian Levkoy’, lifespan: [12, 15] },
{ name: ‘Van Kedisi’, lifespan: [12, 17] },
{ name: ‘York Chocolate’, lifespan: [13, 15] }
];
function populateAutocomplete(query = ”) {
autocompleteList.innerHTML = ”;
const filteredBreeds = breeds.filter(b => b.name.toLowerCase().includes(query.toLowerCase()));
filteredBreeds.forEach(breed => {
const item = document.createElement(‘div’);
item.className = ‘autocomplete-item’;
item.textContent = breed.name;
item.setAttribute(‘role’, ‘option’);
item.addEventListener(‘click’, () => {
breedInput.value = breed.name;
breedValue.value = breed.name;
autocompleteList.innerHTML = ”;
});
autocompleteList.appendChild(item);
});
}
breedInput.addEventListener(‘input’, () => {
populateAutocomplete(breedInput.value);
});
breedInput.addEventListener(‘focus’, () => {
populateAutocomplete(breedInput.value);
});
document.addEventListener(‘click’, (e) => {
if (!breedInput.contains(e.target) && !autocompleteList.contains(e.target)) {
autocompleteList.innerHTML = ”;
}
});
function calculate() {
resultDiv.className = ”;
resultDiv.innerHTML = ”;
try {
const breedName = breedValue.value || breedInput.value || ‘Mixed/Other’;
const weight = parseFloat(weightInput.value) || 0;
const unit = weightUnit.value;
const form = medForm.value;
if (weight b.name.toLowerCase() === breedName.toLowerCase()) || breeds.find(b => b.name === ‘Mixed/Other’);
let weightLb = unit === ‘kg’ ? weight * 2.20462 : weight;
// Calculate dosage: 1 mg per pound
const dosageMg = weightLb * 1;
// Calculate tablets or liquid
let dosageText = ”;
if (form === ‘tablet-25’) {
const tablets = dosageMg / 25;
const wholeTablets = Math.floor(tablets);
const halfTablets = tablets % 1 >= 0.5 ? 1 : 0;
const totalTablets = wholeTablets + halfTablets / 2;
dosageText = totalTablets > 0
? `${totalTablets} ${totalTablets === 1 ? ‘tablet’ : ‘tablets’} (25 mg each)`
: ‘Dosage too low for 25 mg tablets. Consider 12.5 mg tablets or liquid.’;
} else if (form === ‘tablet-12.5’) {
const tablets = dosageMg / 12.5;
const wholeTablets = Math.floor(tablets);
const halfTablets = tablets % 1 >= 0.5 ? 1 : 0;
const totalTablets = wholeTablets + halfTablets / 2;
dosageText = totalTablets > 0
? `${totalTablets} ${totalTablets === 1 ? ‘tablet’ : ‘tablets’} (12.5 mg each)`
: ‘Dosage too low for 12.5 mg tablets. Consider liquid.’;
} else if (form === ‘liquid’) {
const ml = dosageMg * (5 / 12.5);
dosageText = `${ml.toFixed(2)} ml (12.5 mg/5 ml concentration)`;
}
// Safety tips
const safetyTips = [
‘Consult a veterinarian before giving Benadryl to confirm it’s safe for your cat.’,
‘Use only plain Benadryl (diphenhydramine). Avoid products with xylitol, alcohol, or decongestants.’,
‘Monitor for side effects like drowsiness, dry mouth, or agitation. Contact a vet if observed.’,
‘Do not use for severe allergic reactions (anaphylaxis). Seek immediate veterinary care.’,
‘Avoid in cats with glaucoma, heart conditions, kidney/liver issues, or pregnancy unless vet-approved.’
];
resultDiv.innerHTML = `
Breed: ${breed.name}Weight: ${weight} ${unit}
Dosage: ${dosageMg.toFixed(1)} mg
Medication Form: ${form === ‘tablet-25′ ? ’25 mg Tablet’ : form === ‘tablet-12.5’ ? ‘12.5 mg Tablet’ : ‘Liquid (12.5 mg/5 ml)’}
Amount: ${dosageText}
Frequency: Every 8–12 hours, up to 3 times daily, as advised by your vet.
Safety Tips:
`;
resultDiv.className = ‘success’;
document.getElementById(‘copy-btn’).addEventListener(‘click’, () => {
const text = `
Cat Benadryl Dosage Results
Breed: ${breed.name}
Weight: ${weight} ${unit}
Dosage: ${dosageMg.toFixed(1)} mg
Medication Form: ${form === ‘tablet-25′ ? ’25 mg Tablet’ : form === ‘tablet-12.5’ ? ‘12.5 mg Tablet’ : ‘Liquid (12.5 mg/5 ml)’}
Amount: ${dosageText}
Frequency: Every 8–12 hours, up to 3 times daily, as advised by your vet.
Safety Tips:
${safetyTips.map(t => `- ${t}`).join(‘\n’)}
`.trim();
navigator.clipboard.writeText(text).then(() => {
alert(‘Results copied to clipboard!’);
}).catch(() => {
alert(‘Failed to copy results. Please copy manually.’);
});
});
} catch (error) {
resultDiv.innerHTML = `Error: ${error.message}`;
resultDiv.className = ‘error’;
}
}
function reset() {
form.reset();
breedInput.value = ”;
breedValue.value = ”;
autocompleteList.innerHTML = ”;
resultDiv.className = ”;
resultDiv.innerHTML = ‘Enter your cat’s weight and medication form, then click “Calculate”.’;
weightInput.focus();
}
document.getElementById(‘calculate-btn’).addEventListener(‘click’, calculate);
document.getElementById(‘reset-btn’).addEventListener(‘click’, reset);
form.addEventListener(‘keypress’, (e) => {
if (e.key === ‘Enter’ && e.target.tagName !== ‘BUTTON’) {
e.preventDefault();
calculate();
}
});
})();
-
${safetyTips.map(t => `
- ${t} `).join(”)}