Bethesda (MD): National Institute of Diabetes and Digestive and Kidney Diseases 2012. Am taking alfrin and benadryl (diphenhydramine) to help. LiverTox: Clinical and Research Information on Drug-Induced Liver Injury.National Library of Medicine MedlinePlus. These first-generation antihistamines are often used for short periods to treat or prevent: The effects of first-generation antihistamines-such as Benadryl (diphenhydramine) or Chlor-Trimeton (chlorpheniramine), among others- they may cause drowsiness or sedation so are often taken at night. Second-generation antihistamines may be used to treat long-term conditions such as: Example of second-generation antihistamine are: Taken in the recommended doses, antihistamines can be taken daily, but patients should make sure they do not interact with their other medications, says Sandra Lin, MD, professor and chair of Otolaryngology-Head & Neck Surgery at the University of Wisconsin. If you take an antihistamine frequently or daily, your health care provider may recommend a second-generation antihistamine as they are less likely to cause side effects like sleepiness and fatigue. You may take an antihistamine every day to keep long-term allergy symptoms under control. This is when you know you are going to encounter something that sets off your allergies, so you take your antihistamines as a preventative before you are exposed to the allergan that triggers your allergy. Occasional use to prevent symptoms when you know your allergy triggers. When you have an allergy that you only have occasionally you can take the antihistamine just when needed, once you have the symptoms. So, if you’re already using a steroid nasal spray, there’s usually no benefit to adding on an oral. Regular use of a steroid nasal spray (e.g., Flonase) is more effective than an oral antihistamine (e.g., Zyrtec). Most people think of them as being for seasonal allergies. CecilieArcurs/E+ via Getty Images Antihistamines are some of the most commonly used medications. Created for people with ongoing healthcare needs but benefits everyone. It should be no problem to take zyrtec (cetirizine) twice a day as long as it does not make you too sleepy when you need to drive or work. This helps limit side effects while you’re awake. No: There are people that are prescribed zyrtec ( cetirizine) up to four times a day for various conditions. But this doesn’t always provide more allergy relief for everyone. It’s recommended to take first-generation antihistamines, like Benadryl (diphenhydramine), at night. Some antihistamines are taken every 4 to 6 hours, and some are longer-lasting antihistamines that are taken every 12 to 24 hours.Ĭonsult the drug label and ask your health care provider how long and how often you should take an antihistamine. You can take Flonase and Zyrtec (cetirizine) together. The number of times you take an antihistamine each day depends on the type of antihistamine. Yes, most people can take antihistamines every day, if they have daily symptoms of their allergies.

Do i need to take zyrtec everyday