Antihistamines are commonly sold over the counter in cold and allergy medications and as drugs to prevent motion sickness. Overdose symptoms can be similar to antihistamine side effects, only more severe.
Initial Symptoms
Antihistamine-overdose symptoms similar to common side effects may include blurred vision, dilated pupils, drowsiness, dry mouth, flushed skin, nervousness, ringing of the ears, tremors and weakness.
Serious Symptoms
More serious antihistamine-overdose symptoms include delirium, disorientation, fever and rapid heartbeat.
Dangerous Symptoms
People developing dangerous overdose symptoms may experience heart arrhythmia, hallucinations, hyperthermia and seizures.
Rare Complications
Rarely, rhabdomyolysis has been associated with antihistamine overdose. This disorder involves skeletal muscle breakdown that can cause kidney damage. Other rare reports have been made of kidney failure and pancreatitis. Antihistamine overdose is rarely fatal.
Treatment
Treatment for antihistamine overdose may include emptying the stomach contents through a tube and administering intravenous fluids and activated charcoal.
Related posts
Naproxen is a nonsteroidal antiinflammatory drug (NSAID)that is used to treat fever, inflammation and pain. This drug is available in an over the counter form, which is sold as Aleve. It is also a...
Can You Overdose on Adderall?The simple answer to this question is "yes." The drug Adderall, intended for use by those with attention-deficit disorder or attention-deficit hyperactivity...
Salt adds flavor to food, but avoid using too much salt.Salt is a common mineral that has been useful to man. Long ago, early humans used salt to enhance their life quality. Salt now is used in ch...
Nicotine overdose is the result of overexposure to nicotine, usually from ingestion or skin contact. Nicotine can be especially toxic to children. Liquid preparations containing nicotine are very...
Vitamin B12, or cobalamin, is commonly obtained from food sources such as beef, sea food and dairy. It can also be ingested in the form of a dietary supplement or injected as a B12 shot. When a pe...
