K-tab and Zantac drug interactions - a phase IV clinical study of FDA data

Summary:

Drug interactions are reported among people who take K-tab (potassium chloride) and Zantac (ranitidine hydrochloride). Common drug interactions include chronic kidney disease among females and aphonia among males.

The phase IV clinical study analyzes what interactions people have when they take K-tab and Zantac. It is created by eHealthMe based on reports of 19 people who take the same drugs from the FDA, and is updated regularly.

What is K-tab?

K-tab has active ingredients of potassium chloride. It is often used in hypokalemia. eHealthMe is studying from 974 K-tab users. Check the latest studies of K-tab.

What is Zantac?

Zantac has active ingredients of ranitidine hydrochloride. It is often used in gastroesophageal reflux disease. eHealthMe is studying from 434,161 Zantac users. Check the latest studies of Zantac.

On Jul, 10, 2026

19 people who take K-tab and Zantac together, and have interactions are studied.

What are the common drug interactions of K-Tab and Zantac, by gender? *:

female:

Chronic kidney disease
Nephropathy (damage to or disease of a kidney)
Renal failure (kidney dysfunction)
Renal impairment (severely reduced kidney function)
Anxiety
Oesophagitis (inflammation of oesophagus)
Blood glucose increased
Fall
Headache (pain in head)
Pain

male:

Aphonia (inability to produce voice)
Asthenia (weakness)
Local swelling (swelling at the site of some application of substance or injury)
Nausea (feeling of having an urge to vomit)
Pain
Constipation
Deafness
Decreased appetite
Dizziness
Dyspnoea (difficult or laboured respiration)

What are the common drug interactions of K-Tab and Zantac, by age (0-1 to 60+)? *:

0-1:

n/a

2-9:

n/a

10-19:

n/a

20-29:

n/a

30-39:

n/a

40-49:

n/a

50-59:

Blood glucose increased
Anxiety
Chronic kidney disease
Renal failure (kidney dysfunction)
Blood pressure increased
Gait disturbance
Glycosylated haemoglobin increased
Headache (pain in head)
Lymphocyte count decreased
Lymphocyte percentage decreased

60+:

Chronic kidney disease
Nephropathy (damage to or disease of a kidney)
Dehydration (dryness resulting from the removal of water)
Dizziness
Ear pain
Fall
Gastritis (inflammation of stomach)
Gout (uric acid crystals building up in the body)
Haemorrhagic stroke (stroke caused by the rupture of a blood vessel in the brain)
Headache (pain in head)

What are the existing conditions these people have? *

Pain: 6 people, 31.58%
High Blood Cholesterol: 5 people, 26.32%
Cough: 5 people, 26.32%
High Blood Pressure: 5 people, 26.32%
Muscle Spasms (muscle contraction): 4 people, 21.05%
Asthma: 4 people, 21.05%
Blood Potassium Decreased: 4 people, 21.05%
Blood Pressure Abnormal: 4 people, 21.05%
Blood Uric Acid Increased: 4 people, 21.05%
Bone Disorder: 4 people, 21.05%

* Approximation only. Some reports may have incomplete information.

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