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Doctor insights on: If You Are Already Dehydrated Can Allergy Meds Cause Dry Mouth

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If you are already dehydrated can it cause dry mouth?

If you are already dehydrated can it cause dry mouth?

No: It causes the mouth to feel dry but will not cause a permanent condition. That is usually genetic in nature or due to damage to salivary gland or the parasympathetic nervous system. ...Read more

Mouth (Definition)

Mouth (mouth) " n. Pl. Mouths 1. A. The body opening through which an animal takes in food. B. The cavity lying at the upper end of the alimentary canal, bounded on the outside by the lips and inside by the oropharynx and containing in higher vertebrates the tongue, gums, and teeth. C. This cavity regarded as the source of sounds and speech. D. The opening to any cavity or canal ...Read more


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I am breastfeeding and not on any meds. No allergies or cold. Out of nowhere, for the past 3 weeks I have a very dry mouth all day. Why?

I am breastfeeding and not on any meds. No allergies or cold. Out of nowhere, for the past 3 weeks I have a very dry mouth all day. Why?

Hydrate: With warmer weather, your fluid requirements increase. With a hungry baby, you also need plenty of fluids, as you are also losing water in breastmilk. Be sure to drink enough water that your urine comes out a pale lemon yellow color. Congratulations on breastfeeding your baby successfully! ...Read more

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Can post nasal drip cause dry mouth when wake up.i seem to have post nasal drip every day only in summer time .allergy testing?

Can post nasal drip cause dry mouth when wake up.i seem to have post nasal drip every day only in summer time .allergy testing?

It is common: When post-nasal drip is an ongoing condition, the sinuses can become irritated and swollen what what causes mouth breathing, dry mouth and chronic bad breath. See your PCP for consultation. ...Read more

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Could IBS cause me to feel dehydrated? Even though i drink a lot of water i feel thirsty and have dry mouth

Could IBS cause me to feel dehydrated? Even though i drink a lot of water i feel thirsty and have dry mouth

Not usually: Unless your ibs is associated with frequent loose movements which in turn can lead to dehydration. There could be another problem leading to persistent dehydration and your physician should be consulted and blood work should be obtained. ...Read more

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Think got heat rash because dehydrated? Dry mouth? Reason why always feel dehydrated? Do psych meds create dehydration long after leaving body

Think got heat rash because dehydrated? Dry mouth? Reason why always feel dehydrated? Do psych meds create dehydration long after leaving body

Yes: These drugs can cause dry mouth. Dry mouth can cause serious dental problems, your teeth are much more at risk for decay. So drink water to hydrated, avoid sodas and juice, too much sugar and acid, chew xylitol or sugar free gums. Biotene dry mouth products are great. If you use mouthwash you need one without alcohol. ...Read more

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Dry mouth/chapped lips and dizziness. How can they be related and a cause? Drink water so not dehydrated.

Dry mouth/chapped lips and dizziness. How can they be related and a cause? Drink water so not dehydrated.

Anxiety and Stress: Based on the information provided, I would suspect anxiety. Depending on the cause of your anxiety symptoms, your health care provider can provide you with treatment options or referral to a specialist. ...Read more

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Can allergies only cause congestion and post nasal drip dry mouth and no other symptoms, my nose never drains eyes never itchy but always congested. ?

Can allergies only cause congestion and post nasal drip dry mouth and no other symptoms, my nose never drains eyes never itchy but always congested. ?

Absolutely: Everybody's allergy to allergens can be different. stuffiness that goes away then comes back can be allergy related, try some over the counter loratadine or Allegra (fexofenadine) and see your doctor ...Read more

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14 weeks pregnant bad allergies & congestion. Nothing works please help I am not sleeping cause i get dry mouth so bad & can't breathe through nose?

14 weeks pregnant bad allergies & congestion.  Nothing works please help I am not sleeping cause i get dry mouth so bad & can't breathe through nose?

Allergies: You may take third generation antihistamines like allegra, Claritin or zyrtec, twice a day if necessary. Sleep with several pillows and a vaporizer and use saline nose drops several times a day. You can also try a non-steroidal nasal spray like astelin. ...Read more

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What allergy medication should I take to avoid dry mouth ? 

What allergy medication should I take to avoid dry mouth ? 

Newer generation: Benadryl (diphenhydramine) is going to cause the most issues with dry mouth. Newer antihistamines (allegra, zyrtec, and even claritin) are going to cause less. Anthistamine nasal sprays (astelin, astepro, pantanase) are the best option (rx only) to avoid systemic side effects (drowsiness, dry mouth, etc.). ...Read more

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Dr. John Chiu
2,491 doctors shared insights

Allergies (Definition)

Allergies occur when your immune system is triggered by envirionmental factors it should ignore--for example, pollen in the air, or dander on a cat or dog--and creates cells to fight against them. An allergic reaction typically causes itching, congestion, or drainage, and ...Read more


Dr. Sandra Eleczko
646 doctors shared insights

Dry Mouth Syndrome (Xerostomia) (Definition)

A dry mouth can be caused by loss of fluids from diarrhea or vomiting that leads to dehydration, or occasionally as a side effect of a medication. ...Read more