Zyrtec may interact with other medicines that make you sleepy (such as other cold or allergy medicine, narcotic pain medicine, sleeping pills, muscle relaxers, and medicine for seizures, depression, or anxiety). Tell your doctor all medications and supplements you use.
Does Zyrtec interact with anything?
Zyrtec (cetirizine) Drug Interactions
A total of 243 drugs are known to interact with Zyrtec (cetirizine). Show all medications in the database that may interact with Zyrtec (cetirizine).
What should you not mix with antihistamines?
Some products that may interact with this drug are: antihistamines applied to the skin (such as diphenhydramine cream, ointment, spray), blood pressure medications (especially guanethidine, methyldopa, beta blockers such as atenolol, or calcium channel blockers such as nifedipine).
Can I drink coffee while taking Zyrtec?
No interactions were found between caffeine and Zyrtec.
Can I take vitamin C with Zyrtec?
No interactions were found between cetirizine and Vitamin C. This does not necessarily mean no interactions exist. Always consult your healthcare provider.
Is it better to take Zyrtec at night or in the morning?
Cetirizine can be taken at any time of the day. In most people it is non-sedating, so they take it in the morning. However, a percentage of people do find it to be sedating so if it does make you drowsy it is best to take it in the evening. Cetirizine can be taken with or without food.
Is it OK to take Zyrtec everyday?
Can be taken once a day. May be given daily on a regular basis when allergens are most prevalent (such as during spring or summer). Zyrtec does not appear to interact with many drugs (theophylline slightly decreased the clearance of Zyrtec). Zyrtec has been demonstrated to be safe in children older than 6 months.
Do antihistamines weaken immune system?
Antihistamines, with their ability to disrupt the immune response that leads to annoying reactions like runny noses and swelling tissues, have long been considered the ideal way to control allergies. But their long-term effects on the immune system are unknown.
Is it OK to take an antihistamine everyday?
Depending on your symptoms, you can take antihistamines: Every day, to help keep daily symptoms under control. Only when you have symptoms. Before being exposed to things that often cause your allergy symptoms, such as a pet or certain plants.30 мая 2020 г.
How do you permanently get rid of hay fever?
Research is continuing into ways to treat allergies more permanently, but training your immune system not to react unnecessarily. This approach, called immunotherapy, has been around for about 100 years, and for a while it has been possible to have a series of injections to treat severe hayfever.
Should I eat before taking Zyrtec?
Should I take ZYRTEC® with food? Your choice. ZYRTEC® can be taken either with or without food.
How long does Zyrtec last in your system?
The elimination half-life of Zyrtec is between 8 to 9 hours. It takes approximately 5.5 x elimination half-life for a medicine to be cleared from your system. For Zyrtec this is 5.5 x 9 hours which is about 2 days.
Can I take 2 Zyrtec a day?
There have been reports of patients taking 15-18 times the recommended dose of Zyrtec (recommended dose is 10 mg) and having some adverse effects (restlessness, irritability, somnolence). Taking two 10mg tablets should not cause you to have any serious problems.
Can you take vitamin D with Zyrtec?
No interactions were found between calcium / vitamin d and Zyrtec. This does not necessarily mean no interactions exist. Always consult your healthcare provider.
Can I take Zyrtec with vitamins?
No interactions were found between multivitamin and Zyrtec. This does not necessarily mean no interactions exist. Always consult your healthcare provider.
What are the side effects of long term use of Zyrtec?
That said, Cetirizine can cause adverse effects, such as:
- some drowsiness.
- excessive tiredness.
- dry mouth.
- stomach pain.