How is it different from other cough and cold remedies? blocks the effects of a natural chemical called acetylcholine.
This can help dry up a or runny nose, but can also cause side effects such as a dry mouth and dry nose.
Although some people find them helpful, they’re not usually recommended.
This is because there’s little evidence that they’re any more effective than simple home remedies and they’re not suitable for everyone.
Home sick with a cold, scratchy throat, or cough? There is no cure, but there are plenty of OTC remedies that pledge to help you feel better.
“OTC” products are sold “over the counter,” which means they don’t need a prescription. Some focus on one symptom, like congestion or a cough. Others target several at once.
Use this guide to find the right one for the symptoms you have.
Stuffed Nose and Sneezing
These types of medicines can help you breathe more easily:
Antihistamines block a chemical that makes your nose fill up and run. Studies find antihistamines don’t improve cold symptoms much on their own. But they may work better when combined with a decongestant. Some antihistamines can make you drowsier than others, so be aware of the side effects. You might not get tired, at all. But, you will be even more sedated if you drink alcohol with this medicine. So take precautions and be safe about driving or operating machinery.