The body also can’t burn calories effectively when the histamine receptor is blocked, lowering metabolism. These biological changes result in increased appetite, overeating, slower fat breakdown and weight gain. Antihistamines can also make you feel tired and unmotivated to exercise.
Do antihistamines increase appetite?
Antihistamines may also increase appetite, which can cause weight gain. Anecdotally, people using Xyzal (levocetirizine)—an antihistamine similar to Zyrtec (cetirizine)—they have noticed they have put on extra pounds, which is what a very small percentage of patients who used the drug during trials experienced.
Why do antihistamines make you gain weight?
Histamine also acts as a neurotransmitter in our brains playing a key role in wakefulness and preventing sleep, which is why Benadryl (an anti-histamine) makes you sleepy. This effect may actually one of the reasons why anti-histamines can result in weight gain.
Do allergy medications cause weight gain?
H1 receptor antihistamines such as cetirizine, fexofenadine, and desloratadine are among the most commonly prescribed medications for the treatment of allergies and have been shown to stimulate appetite and weight gain as side effects of treatment (6).
What medications cause increased appetite?
|Medication family||Drugs that may cause weight gain|
|Steroids||prednisone, oral contraceptives, norethindrone, Nexplanon, tamoxifen|
|Diabetes drugs||insulin (Humulin N, Lantus), glipizide, pioglitazone|
|Antipsychotics||quetiapine (Seroquel), olanzapine (Zyprexa), aripiprazole (Abilify), haloperidol (Haldol)|
Can Claritin make you gain weight?
Newer drugs, including cetirizine (Zyrtec), fexofenadine (Allegra) and loratadine (Claritin), are less likely to cause weight gain, according to Long.
Is it OK to take antihistamines every day?
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.
Do antihistamines make you tired?
Like all medicines, antihistamines can cause side effects. Side effects of antihistamines that make you drowsy can include: sleepiness (drowsiness) and reduced co-ordination, reaction speed and judgement – do not drive or use machinery after taking these antihistamines. dry mouth.
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.
Can Zyrtec cause depression?
The over-the-counter allergy medication cetirizine (Zyrtec and generic) has been linked to depression, as has another type of drug, montelukast (Singulair), which is often used to treat people with allergic asthma.
Is it bad to take Zyrtec everyday?
“The most common side effects you tend to see are fatigue, headaches, and dry mouth,” says Shih. If you’re someone for whom the benefits of regular antihistamine use far outweighs the occasional minor side effect, longterm use is safe for most adults and children, he adds.
Is it bad to take Benadryl every night?
A. It’s not a good idea. Benadryl Allergy (diphenhydramine and generic) and similar first-generation antihistamines used to treat allergy symptoms, such as chlorpheniramine (Chlor-Trimeton Allergy and generic), shouldn’t be taken for long periods of time.
What medication causes weight gain?
Medicines that may cause weight gain include:
- Medicines for diabetes, such as insulin, thiazolidinediones, and sulfonylureas.
- Antipsychotic medicines such as haloperidol, clozapine, risperidone, olanzapine, quetiapine, and lithium.
How do you stop weight gain from medication?
Here are some ways to lose weight gained due to medication use:
- Switch to a different medication. The first strategy to consider involves changing medications. …
- Lower medication dosage. …
- Limit portion sizes. …
- Exercise. …
- Eat more protein. …
- Talk to a dietitian. …
- Avoid alcohol. …
- Get enough sleep.
What kind of doctor do I consult to help me gain weight?
A doctor who specializes in weight management can develop a customized plan for your health to get the permanent results you want. There are several different types of professionals who specialize in weight management: general practitioners, dieticians, nutritionists, bariatric physicians, and bariatric surgeons.
Does Valtrex cause weight gain?
Common side effects of Valtrex
Stomach pain or abdominal pain. Dizziness. Vomiting. Weight gain.