Dilantin and Relpax drug interactions - a phase IV clinical study of FDA data

Summary:

Drug interactions are reported among people who take Dilantin (phenytoin sodium) and Relpax (eletriptan hydrobromide). Common drug interactions include intervertebral disc protrusion among females and blood iron decreased among males.

The phase IV clinical study analyzes what interactions people have when they take Dilantin and Relpax. It is created by eHealthMe based on reports of 12 people who take the same drugs from the FDA, and is updated regularly.

What is Dilantin?

Dilantin has active ingredients of phenytoin sodium. It is often used in epilepsy. eHealthMe is studying from 20,858 Dilantin users. Check the latest studies of Dilantin.

What is Relpax?

Relpax has active ingredients of eletriptan hydrobromide. It is often used in migraine. eHealthMe is studying from 9,259 Relpax users. Check the latest studies of Relpax.

On Jul, 26, 2026

12 people who take Dilantin and Relpax together, and have interactions are studied.

What are the common drug interactions of Dilantin and Relpax, by gender? *:

female:

Intervertebral disc protrusion (spinal disc protrusion)
Low density lipoprotein increased (cholesterol increased in blood)
Pneumonia
Drug abuser
Drug ineffective
Hypoaesthesia (reduced sense of touch or sensation)
Overdose
Photosensitivity reaction
Rib fracture
Abdominal pain

male:

Blood iron decreased
Memory impairment

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

0-1:

n/a

2-9:

n/a

10-19:

n/a

20-29:

Appendicitis (inflammation of the appendix)
Cholecystitis chronic (long lasting infection of gallbladder)
Cholelithiasis (the presence or formation of gallstones in the gallbladder or bile ducts)
Gallbladder disorder
Pain

30-39:

Injection site urticaria (rash of round, red welts on the skin at injection site)

40-49:

n/a

50-59:

Blood iron decreased
Arterial occlusive disease (slow process through which arteries throughout the body become progressively narrowed and eventually completely blocked)
Arthritis (form of joint disorder that involves inflammation of one or more joints)
Blood triglycerides increased
Chronic obstructive pulmonary disease (a progressive disease that makes it hard to breathe)
Gallbladder operation
High density lipoprotein decreased
Hypotension (abnormally low blood pressure)
Injury
Intervertebral disc protrusion (spinal disc protrusion)

60+:

Drug ineffective
Arterial occlusive disease (slow process through which arteries throughout the body become progressively narrowed and eventually completely blocked)
Low density lipoprotein increased (cholesterol increased in blood)
Pneumonia
Arthritis (form of joint disorder that involves inflammation of one or more joints)
Blood triglycerides increased
Chronic obstructive pulmonary disease (a progressive disease that makes it hard to breathe)
Gallbladder operation
High density lipoprotein decreased
Hypotension (abnormally low blood pressure)

What are the existing conditions these people have? *

Headache (pain in head): 3 people, 25.00%
Convulsion (muscles contract and relax rapidly and repeatedly, resulting in an uncontrolled shaking of the body): 3 people, 25.00%
Temporomandibular Joint Syndrome (pain at the temporomandibular joint due to various causes of increased muscle tension and spasm. it is believed that syndrome is a physical manifestation of psychological stress): 2 people, 16.67%
Erection Problems: 2 people, 16.67%
Arthritis (form of joint disorder that involves inflammation of one or more joints): 2 people, 16.67%
Stress And Anxiety: 1 person, 8.33%
Seizures (abnormal excessive or synchronous neuronal activity in the brain): 1 person, 8.33%
Premenstrual Syndrome: 1 person, 8.33%
Nerve Block (the interruption of signals travelling along a nerve): 1 person, 8.33%
Muscle Tightness: 1 person, 8.33%

* Approximation only. Some reports may have incomplete information.

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