What happens if you take too much chlorpheniramine?

If you take too much (overdose) Symptoms of overdose of chlorphenamine include extreme sleepiness, confusion, weakness, ringing in the ears, blurred vision, large pupils, dry mouth, flushing, fever, shaking, insomnia, hallucinations and possible seizures.

How much Chlorphenamine is lethal?

The estimated lethal dose of chlorphenamine is 25 to 50mg/kg body weight. Symptoms and signs include sedation, paradoxical excitation of the CNS, toxic psychosis, convulsions, apnoea, anticholinergic effects, dystonic reactions and cardiovascular collapse including arrhythmias.

How many Chlorphenamine can I take at once?

If you’re taking liquid chlorphenamine, follow the instructions that come with the medicine for how much to take. The usual dose is: adults and children aged 12 years and older – 4mg every 4 to 6 hours. Do not take more than 6 tablets (24mg) in 24 hours.

Can I take 8 mg of chlorpheniramine?

Allergic Rhinitis Adult: Tablets or syrup: 4 mg orally every 4-6 hours; not to exceed 24 mg/day. Extended-release tablets: 8 mg orally every 8-12 hours or 12 mg every 12 hours; not to exceed 24 mg/day.

What are side effects associated with using chlorpheniramine?

Chlorpheniramine may cause side effects. Tell your doctor if any of these symptoms are severe or do not go away:

• drowsiness.
• dry mouth, nose, and throat.
• nausea.
• vomiting.
• loss of appetite.
• constipation.
• headache.
• increased chest congestion.

How long does Chlorphenamine stay in your system?

The plasma half-life has been estimated to be 12 to 15 hours. Chlorphenamine is metabolised to the monodesmethyl and didesmethyl derivatives. About 22\% of an oral dose is excreted unchanged in the urine. Only trace amounts have been found in the faeces.

What are the side effects of chlorpheniramine?

Can you get high on chlorpheniramine?

However, at higher doses, typically as a result of recreational abuse, dextromethorphan and chlorpheniramine are capable of inducing a specific toxidrome that includes various psychiatric sequelae such as euphoria, agitation, psychoses, dissociative phenomena, and, rarely, dependence.

Does chlorpheniramine affect heart rate?

Chlorpheniramine side effects fast or uneven heart rate; mood changes; tremor, seizure (convulsions);

Is chlorpheniramine the same as pseudoephedrine?

What is chlorpheniramine and pseudoephedrine? Chlorpheniramine is an antihistamine that reduces the effects of natural chemical histamine in the body. Histamine can produce symptoms of sneezing, itching, watery eyes, and runny nose. Pseudoephedrine is a decongestant that shrinks blood vessels in the nasal passages.

What are the side effects of chlorphenamine?

Chlorphenamine is an antihistamine. It eases allergic reactions. Make sure you follow the dosage directions on the label. The most common side-effects are feeling tired or sleepy.

Is it safe to take chlorpheniramine for 7 days?

Do not use in larger or smaller amounts or for longer than recommended. chlorpheniramine is usually taken only for a short time until your symptoms clear up. Do not take for longer than 7 days in a row. Talk with your doctor if your symptoms do not improve after 7 days of treatment, or if you have a fever with a headache or skin rash.

How should I take chlorpheniramine maleate?

How to use Chlorpheniramine Maleate. This medication may be taken with food or milk if stomach upset occurs. If you are taking the extended-release capsules, swallow them whole. Do not crush or chew extended-release capsules or tablets. Doing so can release all of the drug at once, increasing the risk of side effects.

What do I do if I overdose on chlorpheniramine?

Seek emergency medical attention or call the Poison Help line at 1-800-222-1222. Overdose symptoms may include severe forms of some of the side effects listed in this medication guide. What should I avoid while taking chlorpheniramine?