Top answers from doctors based on your search:
Disclaimer

what happens if you take 2 zyrtec

A 44-year-old member asked:
Dr. Michael Zacharisen
32 years experience Allergy and Immunology
Not likely: Zyrtec (cetirizine) is a new generation with a good safety profile. While the usual dose of zyrtec is 10 mg once a day for allergies, there is scient ... Read More
15
15 thanks

90,000 U.S. doctors in 147 specialties are here to answer your questions or offer you advice, prescriptions, and more. Get help now:

Ask doctors free
Personalized answers
Free
Talk to a doctor
Unlimited visits
$10/month
A 56-year-old member asked:
Dr. John Norvell
20 years experience Allergy and Immunology
No: There are people that are prescribed zyrtec (cetirizine) up to four times a day for various conditions. It should be no problem to take zyrtec (cetir ... Read More
1
1 comment
11
11 thanks
A 45-year-old member asked:
Dr. Thomas Byrnes
28 years experience Family Medicine
Sedation: That dose of zyrtec is going to be very sedating. This defeats the purpose of taking zyrtec instead of benadryl (diphenhydramine). That level of sed ... Read More
5
5 thanks
A 31-year-old male asked:
Dr. Brad Goldenberg
35 years experience Pediatrics
Depends: Recommended dosing is 10 mg daily, this can be adjusted up with the guidance of al allergist, make sure you discuss this when you make an appointment ... Read More
A 50-year-old member asked:
Dr. Manav Singla
22 years experience Allergy and Immunology
Depends.: Some people will tolerate if fine with no problem. Some people may get sleepy from it. The problem with getting sleepy is that it can impair your ju ... Read More
7
7 thanks
A 37-year-old member asked:
Dr. Richard Bensinger
51 years experience Ophthalmology
Not much: The expiration date on this and many drugs is simply the date at which the drug company will not longer guarantee the potency is within 5% of that on ... Read More
1
1 thank
A 39-year-old member asked:
Dr. Michael P Vaughn
33 years experience Allergy and Immunology
Postinor: Is this question about emergency contraception (postinor) or a prostate medication?
A 43-year-old member asked:
Dr. Michael Rupp
20 years experience Allergy and Immunology
Maybe: You should not do this without the supervision of a doctor.
A male asked:
Dr. Evans Prieston
43 years experience Pharmacology
Extra Claritin (loratadine): If you are in generally good health with normal kidney and liver function, and you are not taking other sedating medications, there are not likely to ... Read More
3
3 thanks
A 37-year-old member asked:
Dr. Lee Perry
Dr. Lee Perry answered
16 years experience Allergy and Immunology
Antihistamine: Hydroxyzine is a sedating antihistamine that decreases pruritus (itch) and may cause drowsiness.
A 56-year-old member asked:
Dr. Frederick Singer
57 years experience Endocrinology
Nothing.: If you take a high dose of thyroid for a prolonged period you will be hyperthyroid.
1
1 comment
A 53-year-old male asked:
Dr. Martin Morell
28 years experience Rheumatology
Not: Good, and not indicated in package insert. It could cause havoc with your blood pressure among other things.!
A 54-year-old member asked:
Dr. William Holmes
33 years experience Child Psychiatry
Not Much At Reg Dose: If you are talking about regularly prescribed doses, not much will happen. You might notice some improvement in alertness or concentration, even if th ... Read More
A 47-year-old member asked:
Dr. Heidi Fowler
24 years experience Psychiatry
Dosage?: Call 1-800-222-1222 24 hours per day, 7 days per week to reach any poison control center in the United States. You will be connected with an expert ... Read More
A 50-year-old member asked:
Dr. Alan Ali
Dr. Alan Ali answered
31 years experience Psychiatry
Sleep aid: Not sure what sleep aid u r referring to, but if one pill does not help, then talk to your doctor about alternatives, instead of taking more pills & d ... Read More
A 45-year-old member asked:
Dr. Latonya Brown-Puryear
21 years experience Pulmonary Critical Care
Sneezing: May be an indication that your cough is allergy mediated or intolerance to the cough medicine.
A 26-year-old female asked:
Dr. Franklyn Gergits
28 years experience ENT and Head and Neck Surgery
Sinus meds: Hello. The med combination of generic sinus medication and Aspirin should be ok however there may be any number of ingredients in the generic sinus me ... Read More
1
1 comment
1
1 thank
A 41-year-old member asked:
Dr. Heidi Fowler
24 years experience Psychiatry
Allegra (fexofenadine) Overdose: Symptoms of an Allegra (fexofenadine) overdose can include drowsiness, feeling dizzy and dry mouth. If you have taken an overdose please obtain medica ... Read More
A 53-year-old member asked:
Dr. Jennifer Diabo
21 years experience Pediatrics
If one, nothing: If you take one antifungal tablet, and you truly did not need it, nothing will happen. Of course, if you exceed the recommend dosage, that could be h ... Read More
2
2 thanks
A 43-year-old male asked:
Dr. Bac Nguyen
22 years experience Family Medicine
No added benefit: Research has shown that there was some benefit going from 5mg to 10 mg dose, but after that there isn't any and so the max dose was set at 10. It is a ... Read More
A 50-year-old member asked:
Dr. William Howland
43 years experience Allergy and Immunology
It depends: You have not specified which allergy pills. If you are talking about over the counter Benadryl (diphenhydramine) taking 250 mg at once can cause drow ... Read More
A 42-year-old member asked:
Dr. David Mcadams
22 years experience Internal Medicine
Maybe: That's a ridiculously high dose of biotin. The only indication to take biotin is if you have a true biotin deficiency. And in that case the dose is ... Read More
A 47-year-old member asked:
Dr. Alvin Lin
Dr. Alvin Lin answered
29 years experience Geriatrics
DrugDrug interaction: So I have to ask. Because i'm curious. How did you get gravol (your listing shows lakeland, fl)? It's not a brand of dimenhydrinate sold here in us wh ... Read More
A 46-year-old member asked:
Dr. Mitchell Cohen
36 years experience Psychiatry
No big risks: Adderall, a stimulant, and benadryl, (diphenhydramine) an antihistamine, have somewhat opposite effects. Adderall increases alerting brain chemicals l ... Read More
4
4 thanks

90,000 U.S. doctors in 147 specialties are here to answer your questions or offer you advice, prescriptions, and more. Get help now:

Ask doctors free
Personalized answers
Free
Talk to a doctor
Unlimited visits
$10/month