menu search
brightness_auto
Ask or Answer anything Anonymously! No sign-up is needed!
more_vert
What are the most common side effects of antihistamines?

10 Answers

more_vert
 
done_all
Best answer
The most common side effects of antihistamines include drowsiness, dry mouth, dizziness, headache, and blurred vision. Some people may also experience stomach upset, nausea, and vomiting. In rare cases, severe allergic reactions such as difficulty breathing or swelling of the face, lips, tongue, or throat may occur.
thumb_up_off_alt 0 like thumb_down_off_alt 0 dislike
more_vert
The most common side effects of antihistamines include drowsiness, dry mouth, headache, dizziness, and nausea. Additionally, some people may experience blurred vision, constipation, and changes in heart rate. It is important to talk to a doctor before taking any antihistamines to ensure that the risks are understood and minimized.
thumb_up_off_alt 0 like thumb_down_off_alt 0 dislike
more_vert
Antihistamines are most commonly cause the following side-effects: nausea, cotton-mouth/dry mouth, dizziness, and unclear vision. 
thumb_up_off_alt 0 like thumb_down_off_alt 0 dislike
more_vert
Are most commonly known* to cause the following side-effects...
more_vert
THE SPECIFIC SIDE EFFECTS MAY VARY DEPENDING ON THE TYPE OF ANTHISTAMINE AND INDIVIDUAL FACTORS. HERE ARE SOME COMMON SIDE EFFECTS:

1- DROWSINESS AND SEDATION

2- DRY MOUTH, NOSE AND THROAT

3- BLURRED VISION

4- DIZZINESS

5- GASTROINTESTINAL EFFECTS

6- URINARY RETENTION
thumb_up_off_alt 0 like thumb_down_off_alt 0 dislike
more_vert
Reduced coordination, reaction time, and judgment, as well as drowsiness—do not drive or operate machinery after taking these antihistamines.

bad breath.

vision that is hazy.

difficulties urinating
thumb_up_off_alt 0 like thumb_down_off_alt 0 dislike
more_vert
The most common side effects of antihistamines include drowsiness, dizziness, dry mouth, blurred vision, and gastrointestinal disturbances such as nausea and constipation. Less common side effects may include headache, nervousness, and difficulty urinating. It is important to read the medication's label and consult a healthcare professional for more specific information.
thumb_up_off_alt 0 like thumb_down_off_alt 0 dislike
more_vert
Common side effects of antihistamines, which are often used to relieve allergy symptoms, can include:

1. Drowsiness or sedation

2. Dry mouth

3. Dizziness

4. Headache

5. Nausea

6. Blurred vision

7. Upset stomach

8. Constipation

9. Difficulty urinating

It's important to note that not everyone will experience these side effects, and the severity can vary from person to person. Newer, non-sedating antihistamines tend to cause fewer side effects related to drowsiness compared to older versions. If you're concerned about side effects or have specific questions about an antihistamine, it's best to consult with a healthcare professional.
thumb_up_off_alt 0 like thumb_down_off_alt 0 dislike
more_vert
Antihistamines are commonly used to relieve allergy symptoms and can be found in various over-the-counter and prescription medications. The most common side effects of antihistamines may include:

1. **Drowsiness**: Many antihistamines, especially first-generation ones, can cause drowsiness or sedation. This effect is often used in sleep aids but can be undesirable when it's necessary to remain alert.

2. **Dry Mouth**: Antihistamines can reduce saliva production, leading to a dry mouth.

3. **Dizziness**: Some individuals may feel lightheaded or dizzy when taking antihistamines.

4. **Blurred Vision**: Vision disturbances, including blurred or impaired vision, can occur as a side effect of certain antihistamines.

5. **Difficulty Urinating**: Antihistamines can cause difficulty in emptying the bladder, particularly in older individuals.

6. **Gastrointestinal Upset**: Stomach upset, nausea, or constipation can be side effects for some people.

7. **Headache**: Headaches may occur in some cases.

8. **Nervousness or Restlessness**: Some individuals may experience increased anxiety, nervousness, or restlessness.

It's important to note that second-generation antihistamines, such as cetirizine (Zyrtec), loratadine (Claritin), and fexofenadine (Allegra), are designed to be less sedating and have fewer side effects than first-generation antihistamines like diphenhydramine (Benadryl). However, individual responses to medications can vary, and some people may still experience side effects even with second-generation antihistamines.

Before using antihistamines, it's essential to read the medication label and discuss any potential side effects or interactions with your healthcare provider or pharmacist, especially if you have underlying medical conditions or are taking other medications.
thumb_up_off_alt 0 like thumb_down_off_alt 0 dislike
more_vert
Antihistamines are commonly used to relieve allergy symptoms and manage conditions such as hay fever, hives, and allergic reactions. While these medications are generally well-tolerated, they can have side effects in some individuals. Common side effects of antihistamines may include: 1. **Drowsiness**: Many older-generation antihistamines, such as diphenhydramine (Benadryl) and chlorpheniramine, can cause drowsiness. This can be beneficial when used as sleep aids but may be undesirable during the day. 2. **Dry Mouth**: Antihistamines can reduce saliva production, leading to a dry or parched feeling in the mouth. 3. **Dizziness**: Some antihistamines may cause dizziness or unsteadiness, which can be more pronounced in older adults. 4. **Blurred Vision**: Visual disturbances, such as blurred vision, may occur with certain antihistamines, particularly those with strong sedative effects. 5. **Headache**: Some people may experience headaches as a side effect of antihistamines. 6. **Nausea or Upset Stomach**: Antihistamines can sometimes cause gastrointestinal discomfort. 7. **Nervousness**: In some individuals, antihistamines can lead to feelings of restlessness or nervousness. 8. **Confusion (particularly in older adults)**: Some older-generation antihistamines can cause confusion or cognitive impairment, especially in elderly individuals. 9. **Difficulty Urinating**: Antihistamines can affect bladder function and lead to difficulty in urinating or incomplete emptying of the bladder. 10. **Skin Rash or Allergic Reaction**: While antihistamines are typically used to alleviate allergies, it's possible for individuals to have allergic reactions to the medication itself, resulting in a skin rash, itching, or swelling. 11. **Gastrointestinal Disturbances**: Some individuals may experience constipation, diarrhea, or other digestive issues with antihistamine use. It's important to note that the severity and likelihood of these side effects can vary depending on the specific antihistamine, the individual's sensitivity, and whether the antihistamine is a first-generation or second-generation medication. Newer, second-generation antihistamines, like cetirizine (Zyrtec), loratadine (Claritin), and fexofenadine (Allegra), are designed to be less sedating and have a reduced likelihood of causing drowsiness compared to older-generation antihistamines. Always read the label, follow dosing instructions, and consult with a healthcare provider or pharmacist if you have concerns about potential side effects or interactions with other medications.
thumb_up_off_alt 0 like thumb_down_off_alt 0 dislike
more_vert
The most common side effects of antihistamines include:

1. Drowsiness or sedation

2. Dry mouth

3. Dizziness

4. Blurred vision

5. Constipation

6. Difficulty urinating

7. Confusion or cognitive impairment (especially in older adults)

8. Dry nose or throat

These side effects can vary depending on the specific antihistamine and individual factors such as dosage and medical history. It's essential to consult with a healthcare professional if you have concerns about side effects or if they become bothersome.
thumb_up_off_alt 0 like thumb_down_off_alt 0 dislike
Whenever you have a question in your mind, just drop it on Answeree. Help our community grow.
...