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Nizatidine

Nizatidine Side Effects

Kristianne Hannemann, PharmDDaisy Chau, PharmD
Reviewed by Kristianne Hannemann, PharmD, Daisy Chau, PharmD
Last reviewed on October 7, 2024

The following side effects may get better over time as your body gets used to the medication. Let your healthcare provider know immediately if you continue to experience these symptoms or if they worsen over time.

Common Side Effects

  • Headache (17%)
  • Runny nose (10%)
  • Stomach pain (8%)
  • Diarrhea (7%)
  • Dizziness (5%)
  • Nausea (5%)
  • Passing gas (5%)

Less Common Side Effects

  • Pain
  • Vomiting
  • Constipation
  • Trouble sleeping
  • Weakness
  • Infection
  • Fever
  • Dry mouth
  • Abnormal dreams
  • Loss of appetite
  • Sleepiness
  • Cough
  • Rash
  • Itchiness

Nizatidine serious side effects

Contact your healthcare provider immediately if you experience any of the following.

  • Serious allergic reaction: rash, swelling of the face or throat, trouble breathing

Source: DailyMed

The following Nizatidine side effects have also been reported

Along with its needed effects, a medicine may cause some unwanted effects. Although not all of these side effects may occur, if they do occur they may need medical attention.

Check with your doctor as soon as possible if any of the following side effects occur:

Rare

Abdominal pain

back, leg, or stomach pain

bleeding or crusting sores on lips

blistering, burning, redness, scaling, or tenderness of skin

blisters on palms of hands and soles of feet

changes in vision or blurred vision

confusion

coughing or difficulty in swallowing

dark-colored urine

dizziness

fainting

fast, pounding, or irregular heartbeat

fever and/or chills

flu-like symptoms

general feeling of discomfort or illness

hives

inflammation of blood vessels

joint pain

light-colored stools

mood or mental changes, including anxiety, agitation, confusion, hallucinations (seeing, hearing, or feeling things that are not there), mental depression, nervousness, or severe mental illness

muscle cramps or aches

nausea, vomiting, or loss of appetite

pain

peeling or sloughing of skin

red or irritated eyes

shortness of breath

skin rash or itching

slow heartbeat

sore throat

sores, ulcers, or white spots on lips, in mouth, or on genitals

sudden difficult breathing

swelling of face, lips, mouth, tongue, or eyelids

swelling of hands or feet

swollen or painful glands

tightness in chest

troubled breathing

unusual bleeding or bruising

unusual tiredness or weakness

unusually slow or irregular breathing

wheezing

yellow eyes or skin

Some side effects may occur that usually do not need medical attention. These side effects may go away during treatment as your body adjusts to the medicine. Also, your health care professional may be able to tell you about ways to prevent or reduce some of these side effects. Check with your health care professional if any of the following side effects continue or are bothersome or if you have any questions about them:

Less common or rare

Constipation

decrease in sexual desire

decreased sexual ability (especially in patients with Zollinger-Ellison disease who have received high doses of cimetidine for at least 1 year)

diarrhea

difficult urination

dizziness

drowsiness

dryness of mouth or skin

headache

increased or decreased urination

increased sweating

loss of hair

ringing or buzzing in ears

runny nose

swelling of breasts or breast soreness in females and males

trouble in sleeping

Not all of the side effects listed above have been reported for each of these medicines, but they have been reported for at least one of them. All of the H2-blockers are similar, so any of the above side effects may occur with any of these medicines.

Other side effects not listed may also occur in some patients. If you notice any other effects, check with your healthcare professional.

Call your doctor for medical advice about side effects. You may report side effects to the FDA at 1-800-FDA-1088.

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Why trust our experts?

Kristianne Hannemann, PharmD, is a licensed pharmacist in California. She has been a retail pharmacy manager and staff pharmacist for over 7 years and has contributed drug information content to different health companies.
Daisy Chau, PharmD
Reviewed by:
Daisy Chau, PharmD
Daisy Chau, PharmD, is the drug information pharmacist manager at GoodRx. She is licensed in California and has more than 6 years of experience working as a pharmacist in drug information.

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