Oral antihistamines, such as Zyrtec and Benadryl, shouldn't be taken together without a healthcare provider's OK. Taking oral antihistamines together can lead to additional side effects and potentially an antihistamine overdose. Signs of an overdose may include the following: Fast or racing heartbeat.
If a healthy adult takes only a slightly higher dose of antihistamine, such as accidentally taking two pills instead of one, their symptoms may not be serious, or they may not have any symptoms. However, a larger overdose, especially in children or older adults, may cause serious symptoms.
Even if you're severely suffering from allergies, with incredibly watery eyes or a scratchy throat, it's not recommended to take more than the daily dosage as there can be side effects that occur.
On bad allergy weeks, it is reasonable for many patients to double-up on some of their meds to improve symptoms without the need for adding more medication types to their mix (“polypharmacy”). Talk to your doctor first, and make sure she is aware of any current medications you are taking already.
Do not take more than the dose listed on the label, as doing so can cause serious problems. If someone takes too much diphenhydramine and is hallucinating, can't be awakened, has a seizure, has trouble breathing, or has collapsed, immediately get medical attention or contact poison control at 1-800-222-1222 or online .
Adults and children 6 years and older Chew and swallow 2 tablet (10 mg) once daily; do not take more than 1 tablet (10 mg) in 24 hours. A 5 mg product may be appropriate for less severe symptoms.
What happens if I take more than one dose of Claritin®? Taking more than the recommended dose of Claritin® may cause drowsiness. In the case of overdose, get medical help or contact a Poison Control Center right away- always follow label directions.
ZYRTEC 10 mg film-coated tablets
The maximum recommended daily dose is 20 mg, do not exceed this dose, unless told to do so by your doctor.
In general, an oral antihistamine tablet will start to work within 30 minutes and reach its maximum effect in about 2 hours. You will know when an antihistamine starts to work when it starts to relieve allergy symptoms, such as congestion, runny nose, itchy eyes or skin rash.
Adults—25 to 100 milligrams (mg) three or four times a day as needed. Children 6 years of age and older—12.5 to 25 mg every six hours as needed. Children 4 to 6 years of age—12.5 mg every six hours as needed. Children and infants up to 4 years of age—Use is not recommended .
by Drugs.com
This is a therapeutic duplication and it is usually recommended to take only one antihistamine at any time, however if you have been prescribed to take both together then it is appropriate. If you do experience any odd symptoms please see your doctor.
Common medications like Zyrtec, Allegra, Flonase, and Claritin don't usually stop working. It's time to check for new allergies if your nose is still stuffy and you can't stop sneezing after taking your regular allergy medicine. You may need a new treatment plan, not just more medication.
Each tablet contains 5 milligrams (mg) loratadine and 120 mg pseudoephedrine. Do not take more than 2 tablets in 24 hours.
When antihistamines block histamine, our appetite can increase. This, plus side effects like drowsiness, could lead to weight gain. Your risk of gaining weight from antihistamines may depend on many factors. But a healthy diet, physical activity, and other lifestyle factors can help you manage your risk.
For instance, Claritin comes in both 12-hour and 24-hour tablets. So if you took Claritin 12-hour in the morning and want to take Zyrtec that night, you may be able to. However, if taking Zyrtec or a 24-hour Claritin product, you should not take more than one dose of either medication over the course of 24 hours.
“Zyrtec is found to be more potent, or stronger, in laboratory studies, compared with Claritin,” says Dr. Kung. “It also reaches a higher concentration in the skin, which can be more helpful for skin-related allergies. However, Zyrtec has a greater chance of making you sleepy while taking it.”
If antihistamines aren't working for you and you have allergy-like symptoms, it may not be a bad allergy season—but instead something non-allergic you're reacting to. Symptoms of nonallergic rhinitis include: Sneezing. Runny or stuffy nose.
Sandoz issued a voluntary recall of 1,023,430 units of Zyrtec (10 mg) capsules as a result of failed impurities and a specification being reported for impurity at the 21-month stability time point, according to an FDA Enforcement Report.
Overdose symptoms may include extreme drowsiness, vision problems, agitation, feeling restless and then drowsy or tired, fast heartbeats, stomach pain, nausea, vomiting, trouble walking, or trouble swallowing or speaking.
take 1 tablet every 12 hours; do not take more than 2 tablets in 24 hours.
Do not take 2 antihistamines together unless recommended by your doctor.
Adults and children 6 years of age and older—One tablet or 10 milligrams (mg) once a day. Do not take more than one tablet per day. Children younger than 6 years of age—Use and dose must be determined by your doctor.
Common symptoms of overdosing on Claritin® may include drowsiness, headaches, and fast pounding heart rate. For any questions or concerns you may have about taking Claritin® or if someone has had more than the prescribed dosage, call the Poison Help Line at 1-800-222-1222.
Taking more than the usual dose is unlikely to harm you or your child. If you take an extra dose, you might get some of the common side effects. If this happens or you're concerned, contact your doctor.