Why does allergy medicine make me so tired?

Unrelated to the immune system, histamine is also produced in the brain, where it plays an important part in feeling awake. Antihistamines used to treat respiratory symptoms can get into the brain and interrupt this work, making you feel drowsy.

Do allergy meds make you tired?

Medications That Cause Fatigue. Some of the most common drugs that can make you tired are: Allergy medications (antihistamines), such as diphenhydramine, brompheniramine (Bromfed, Dimetapp), hydroxyzine (Vistaril, Atarax), and meclizine (Antivert). Some of these antihistamines are in sleeping pills, too.

Why does antihistamine make you tired?

The first-generation antihistamines can make you drowsy because they cross the blood-brain barrier, an intricate system of cells that regulates what substances pass into the brain. In fact, these older antihistamines are often marketed as sleep aids.

How do I stop drowsiness from medication?

What are ways to fight the side effect of being tired from…

  1. Get some exercise, like a quick walk or some stretches.
  2. Take deep breaths.
  3. Drink a little bit of caffeine, like coffee or tea.
IT IS INTERESTING:  Is chamomile tea good for allergies?

Why does Zyrtec make me so tired?

The active ingredient in Zyrtec is cetirizine. In Claritin, it’s loratadine. Both cetirizine and loratadine are nonsedating antihistamines. Antihistamines have a reputation of making you sleepy because the first types crossed into your central nervous system more easily and had a direct effect on your alertness.

How do you fix fatigue from allergies?

Take your medication

Your best bet if you want to avoid feeling tired is to take an antihistamine. These medications reduce swelling to temporarily reduce your allergy symptoms. The only way to fully reduce your allergy symptoms is to cut out your exposure to allergens. Be aware that many antihistamines cause fatigue.

Does 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 bad to take antihistamines daily?

“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.17 мая 2018 г.

What is the strongest antihistamine for sleep?

Common choices and the potential side effects include:

  • Diphenhydramine (Benadryl, Aleve PM, others). Diphenhydramine is a sedating antihistamine. …
  • Doxylamine succinate (Unisom SleepTabs). Doxylamine is also a sedating antihistamine. …
  • Melatonin. The hormone melatonin helps control your natural sleep-wake cycle. …
  • Valerian.

What is the best natural antihistamine?

The 4 Best Natural Antihistamines

  • Antihistamines.
  • Stinging nettle.
  • Quercetin.
  • Bromelain.
  • Butterbur.
  • Takeaway.
IT IS INTERESTING:  Can you have an allergic reaction to PPD?

Why do I feel sleepy and lazy?

The real reason you’re exhausted might have little to do with laziness and more to do with health problems. Anemia and hypothyroidism can cause tiredness among other things. Mental health issues like depression could also be to blame for your exhaustion.

What is excessive sleepiness a sign of?

The most common causes of excessive daytime sleepiness are sleep deprivation, obstructive sleep apnea, and sedating medications. Other potential causes of excessive daytime sleepiness include certain medical and psychiatric conditions and sleep disorders, such as narcolepsy.

What is drowsiness a symptom of?

Excessive daytime sleepiness (without a known cause) may be a sign of a sleep disorder. Depression, anxiety, stress, and boredom can all contribute to excessive sleepiness. However, these conditions more often cause fatigue and apathy.

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.

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.

IT IS INTERESTING:  What is considered a severe peanut allergy?

Can Zyrtec help with anxiety?

Antihistamines work by having a calming effect on the brain, helping you to feel less anxious.

No runny nose