Applies to magnesium chloride: oral tablet delayed release.

Serious side effects of Magnesium chloride

WARNING/CAUTION: Even though it may be rare, some people may have very bad and sometimes deadly side effects when taking a drug. Tell your doctor or get medical help right away if you have any of the following signs or symptoms that may be related to a very bad side effect:

• Signs of an allergic reaction, like rash; hives; itching; red, swollen, blistered, or peeling skin with or without fever; wheezing; tightness in the chest or throat; trouble breathing, swallowing, or talking; unusual hoarseness; or swelling of the mouth, face, lips, tongue, or throat.
• Very upset stomach or throwing up.
• Severe diarrhea.

Other side effects of Magnesium chloride

All drugs may cause side effects. However, many people have no side effects or only have minor side effects. Call your doctor or get medical help if any of these side effects or any other side effects bother you or do not go away:

• Diarrhea.

These are not all of the side effects that may occur. If you have questions about side effects, call your doctor. Call your doctor for medical advice about side effects.

You may report side effects to the FDA at 1-800-332-1088. You may also report side effects at https://www.fda.gov/medwatch.

For Healthcare Professionals

Applies to magnesium chloride: compounding powder, injectable solution, oral tablet extended release.

Metabolic

Frequency not reported: Hypermagnesemia, hypocalcemia with tetany^[Ref]

Cardiovascular

Frequency not reported: Sharply lowered blood pressure, cardiac arrhythmias, cardiac arrest^[Ref]

Respiratory

Frequency not reported: Respiratory depression, respiratory paralysis^[Ref]

Nervous system

Frequency not reported: Stupor, CNS depression, loss of reflexes, coma^[Ref]

Renal

Frequency not reported: Renal failure^[Ref]

Gastrointestinal

Frequency not reported: Nausea, vomiting^[Ref]

Dermatologic

Frequency not reported: Flushing, sweating^[Ref]

Other

Frequency not reported: Hypothermia^[Ref]

Musculoskeletal

Frequency not reported: Muscle weakness, muscle paralysis^[Ref]

Ocular

Frequency not reported: Blurred or double vision^[Ref]