What if i take 2 zyrtec

In fact, several clinical studies have been published where high doses of Zyrtec have been utilized, with minimal side effects. One such study, published in in the Journal of Dermatological Treatment, concluded that a double dose of Zyrtec cetirizine , which is 20mg the dose you took , was effective in helping to reduce the symptoms of itching that was previously not responding to lower doses:.

Several other studies have come to the same conclusion In terms of how much Zyrtec would be considered a dangerous overdose, the prescribing information for the drug which is found on the FDA website specifically discusses situations where high doses have been consumed.

It mentions two cases of overdose, one where an adult took mg 15 tablets and another where a child took mg 18 tablets. Only mild side effects were reported at these high doses. Per the prescribing information:.

So, based on the available information we have regarding Zyrtec, you shouldn't be too worried about that extra dose you took as it is fairly well tolerated, even at higher than recommended doses.

Like most drugs, the side effects of Zyrtec are dose dependent, meaning that higher doses tend to increase the risk of side effects occurring. The most common side effect is sleepiness often referred to as somnolence. That is what you are most at risk for with taking an extra dose, but it should wear off as the dose wears off, within 24 hours. I want to add the caveat here that everyone's medical situation is different. Even though taking an extra dose of Zyrtec won't cause too many issues for most people, some may be more at risk for others.

High doses of antihistamines can cause changes in heart rhythm. Two tablets of Zyrtec probably won't put you much more at risk of an adverse effect happening, but is still something to keep in mind. If you do experience any troubling symptoms, I highly recommend contacting Poison Control information at the top of this answer or going to your nearest emergency room. Ask your pharmacist to recommend a painkiller for your headaches, but they usually go away after the first week of taking cetirizine.

Talk to your doctor if your headaches last longer than a week or are severe. It may also help if you stick to simple meals and avoid rich or spicy food. If you begin to feel dizzy, lie down so that you do not faint, then sit until you feel better. Do not drive, cycle or use tools or machines if you feel dizzy or a bit shaky.

Speak to a pharmacist if you have signs of dehydration , such as peeing less than usual or having dark, strong-smelling pee. Do not take any other medicines to treat diarrhoea without speaking to a pharmacist or doctor. If your symptoms last longer than a week, ask your pharmacist or doctor for advice.

Children under 16 must not be given aspirin. Cetirizine and breastfeeding If your doctor or health visitor says your baby is healthy, you can take cetirizine while breastfeeding. Non-urgent advice: Tell your doctor if you're:. Mixing cetirizine with herbal remedies and supplements There might be a problem taking some herbal remedies and supplements alongside cetirizine, especially ones that cause sleepiness, a dry mouth, or make it difficult to pee.

Important: Medicine safety Tell your doctor or pharmacist if you're taking any other medicines, including herbal medicines, vitamins or supplements. How does cetirizine work? Cetirizine blocks the effects of histamine and reduces these symptoms. When will I feel better? You should start to feel better within an hour.

How long should I take cetirizine for? It depends on why you're taking cetirizine. You may only need to take it for a short time or as a one-off dose. Is it safe to take cetirizine for a long time? Cetirizine is unlikely to do you any harm if you take it for a long time. Can I drink alcohol with it?

Is there any food or drink I need to avoid? You can eat and drink normally while taking cetirizine. Can I drive or ride a bike with it? What's the difference between cetirizine and other antihistamines? What's the difference between cetirizine and other non-drowsy antihistamines? Can I take it with painkillers? Can I take 2 types of antihistamine in 1 day? Do not take 2 antihistamines together unless recommended by your doctor. Can I take cetirizine with other hay fever treatments?

Can I take cetirizine at higher doses than on the packet? Will it affect my fertility? Will it affect my contraception? Can lifestyle changes relieve hay fever? Tips for when you're outside Do not cut grass or walk on grass.

Wear wraparound sunglasses to stop pollen getting into your eyes. Put Vaseline around your nostrils to help trap pollen. Shower and change your clothes after you have been outside to wash off pollen. Tips for when you're inside Keep windows and doors shut as much as possible.

Vacuum regularly and dust with a damp cloth. Do not keep fresh flowers in the house. However, the Food and Drug Administration FDA caution that just because a product says it is for children does not mean a child of any age can take it.

Research on antihistamines says that children and older adults are more at risk of an antihistamine overdose than adults. One study found that children have experienced heart problems, seizures, and even death from an antihistamine overdose. The most common reactions are mild, however, and include:. Second generation antihistamines are less likely to cause toxicity in children than first generation ones, according to a study of more than 9, children.

However, another study found that second generation antihistamines can cause dangerous symptoms when children overdose on them. Diagnosing an antihistamine overdose usually starts with a discussion about all medications the person is taking and not just the antihistamines.

This is because some other medications, such as cold, flu, and sleep medications, contain antihistamines. If a person takes one of these other medications and also takes an allergy medication, they may accidentally overdose. Other medications, such as certain antidepressants and motion sickness drugs, can also cause an overdose if a person mixes them with antihistamines.

If someone is not sure about the amount of antihistamine they took, a doctor may need to conduct a physical exam. They may look for signs such as drowsiness, irritability, blurred vision, or seizures.

They may also check the heart rate, breathing rate, and blood pressure. In mild cases, an individual may be able to use self-care at home. If the person is experiencing serious symptoms, they may need hospitalization, including heart monitoring, intravenous IV fluids, and medication.

In some cases, doctors may give a person activated charcoal, which helps prevent the absorption of some medications and chemicals in the gut. They may also use ipecac syrup, which causes the person to vomit. This can cause any excess medication to leave the body in the vomitus. Antihistamines may be first generation sedating or second generation nonsedating. Try printing a single coupon. If that works, you may not be able to print out all that you want in a single session. If you share a computer with other people, make sure they did not print the coupon already.

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