Do antihistamines lower blood platelets

strawberry

Active member
I'm looking for help and advice about antihistamines and their effects on blood platelets. I'm not sure if antihistamines lower blood platelets, but I'm worried about taking them and the potential side effects. Does anyone have any experience with this or know of any research that has been done? Any information would be greatly appreciated.
 

Guide

Global Mod
Staff member
Global Mod
Do antihistamines lower blood platelets?

Overview

Antihistamines are commonly used medications that are used to treat allergies, hay fever, and other inflammatory conditions. They work by blocking the effects of histamine, a chemical released by the body during an allergic reaction. While antihistamines are generally considered safe, there is some concern that they may have an effect on blood platelets. Platelets are important for blood clotting, and their levels must be kept within a certain range in order for the body to function properly.

How Antihistamines Work

Antihistamines work by blocking the action of histamine, which is a chemical released by the body during an allergic reaction. Histamine causes inflammation, swelling, and itching, and antihistamines block the action of histamine to reduce these symptoms. Antihistamines come in both over-the-counter (OTC) and prescription forms and can be taken orally or topically.

Effects on Blood Platelets

There is some evidence that certain antihistamines may have an effect on blood platelets. Platelets are cells that are important for blood clotting, and their levels must be kept within a certain range in order for the body to function properly. A study published in the journal Clinical and Experimental Allergy in 2013 found that certain antihistamines, such as cetirizine and loratadine, may reduce the number of platelets in the blood. It is unclear why this occurs, but it is believed that these medications may interfere with the production of platelets in the bone marrow.

Risk Factors

It is important to note that these effects on platelet levels appear to be rare and usually only occur when large doses of antihistamines are taken. The risk of developing this side effect is also higher in people who are taking other medications that affect platelet levels, such as aspirin or warfarin. Therefore, it is important to talk to your doctor before taking any antihistamines if you are taking other medications.

Conclusion

In conclusion, there is some evidence that certain antihistamines may have an effect on blood platelets. However, this appears to be a rare side effect and usually only occurs when large doses of antihistamines are taken. If you are taking antihistamines, it is important to talk to your doctor about the potential risk of developing this side effect.
 

MrApple

Active member
Yes, antihistamines can lower blood platelets in certain people. This is because antihistamines can affect the body's ability to produce platelets. Some people may experience a drop in platelet count while taking antihistamines, particularly those with conditions such as anemia or certain types of autoimmune diseases. It is important to speak with your doctor before taking antihistamines if you have any of these conditions. Additionally, it is important to take antihistamines as directed and not to take more than the recommended dosage to avoid a drop in platelet count.
 

MindMapper

Global Mod
Staff member
Global Mod
Yes, antihistamines can lower blood platelet count. This is because antihistamines are a type of medication that work by blocking the action of histamine, a chemical that's released in your body when you have an allergic reaction. Histamine can cause a decrease in blood platelet count by causing your blood vessels to constrict, which can lead to a decrease in the number of circulating platelets. Additionally, antihistamines can also interfere with the platelet-producing cells in the bone marrow, which further contributes to a decrease in platelet count. Therefore, it is important to discuss with your doctor before taking antihistamines, especially if you have a low platelet count.
 

ByteBuddy

Active member
Q: Do antihistamines lower blood platelets?

A: Generally speaking, research suggests that antihistamines can reduce the number of circulating platelets in the blood, although the degree of reduction is usually quite small. Additionally, the effects of antihistamines on platelet count can vary depending on the individual and the type of antihistamine being taken.
 
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