Common "Antihistamine Overdose" queries answered by top doctors | iCliniq

Antihistamine Overdose

Antihistamine overdose or antihistamine poisoning is all about dangerously elevated doses of allergy medicines in the body. It may cause heavy drowsiness, mental confusion, balance issues, eyesight problems, and more. Some may suffer convulsive seizures and go into a state of coma too. If one is intentionally ingesting the drug in excess, death can happen.

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When will I feel better after a cough syrup overdose?

Query: Hello doctor, I am a healthy 15 year old male. It has been two weeks since I overdosed on Benadryl and I still feel lightheaded and everything is like a dream. The dose I had taken was 500mg. I also get random confusion spells. When will I feel normal?  Read Full »


Dr. Seikhoo Bishnui

Answer: Hello, Welcome to icliniq.com. Benadryl consists of Diphenhydramine and the drug is an antihistaminic drug. In high doses it causes side effects like blurred vision, dry mouth, confusion, delirium, severe sedation etc. In very high doses this may result in death also. So, I would advise yo...  Read Full »

Can overdosing on medicines cause liver and kidney damage?

Query: Hello doctor, I had overdosed on multiple medicines two years back, which included eight iron tablets on two occasions, 16 tablets of Avil 25 mg, and SSRI twice, all on different occasions. Two years back, my SGPT was 106 months after my last overdose incident, and my creatinine was 1.2. Since then...  Read Full »


Dr. Noushif. M

Answer: Hello, Welcome to icliniq.com. It seems you had an overdose of a few medicines two years back. This will usually cause transient damage to your liver and kidney. These organs will recover completely if there is no underlying inherent disease for them. You need to avoid any further occurrences li...  Read Full »

I gave my 2-year-old son an overdose of 5 ml Ancer LM. Please help.

Query: Hello doctor, My son is two years and four months old. As he was having severe itching from mosquito bites and could not sleep, I gave him Ancer LM - 5 ml. Now I realized I gave him an overdose. Please suggest if this is fine.  Read Full »


Dr. Faisal Abdul Karim Malim

Answer: Hello, Welcome to icliniq.com. Your dose is on the higher side, but nothing adverse should happen apart from excessive sleeping for a while. Do not worry. The child may sleep for 7 to 8 hours and then wake up. If at all the child is completely drowsy for more than that time, you will need to take ...  Read Full »

Is It Tough To Overcome Benadryl Addiction And Get A Sound Sleep?

Query: Hi doctor, I am spending sleepless nights. I am struggling to fall asleep and often get disturbed by dreams. I feel restless legs throughout the night. The next morning when I wake up I feel fatigue. I am addicted to Benadryl to get sleep. But, I am trying to avoid it now. Please guide me for a s...  Read Full »


Dr. Bharat Udey

Answer: Hello, Welcome to icliniq.com. As per your complaints, it seems that you might have developed dependence on Benadryl. And it is quite possible that due to this dependence you might be having these symptoms. Benadryl is basically a Codeine-based cough syrup, which is an antitussive agent OTC (over...  Read Full »

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