Kelp and Methotrexate drug interactions - a phase IV clinical study of FDA data

Summary:

Drug interactions are reported among people who take Kelp (bladderwrack) and Methotrexate (methotrexate sodium). Common drug interactions include headache among females.

The phase IV clinical study analyzes what interactions people have when they take Kelp and Methotrexate. It is created by eHealthMe based on reports of 16 people who take the same drugs from the FDA, and is updated regularly.

What is Kelp?

Kelp has active ingredients of bladderwrack. eHealthMe is studying from 442 Kelp users. Check the latest studies of Kelp.

What is Methotrexate?

Methotrexate has active ingredients of methotrexate sodium. It is often used in rheumatoid arthritis. eHealthMe is studying from 604,312 Methotrexate users. Check the latest studies of Methotrexate.

On Jul, 07, 2026

16 people who take Kelp and Methotrexate together, and have interactions are studied.

Kelp and Methotrexate drug interactions.

What are the common drug interactions of Kelp and Methotrexate, by gender? *:

female:

Headache (pain in head)
Nasal congestion (blockage of the nasal passages usually due to membranes lining the nose becoming swollen from inflamed blood vessels)
Tremor (trembling or shaking movements in one or more parts of your body)
Vitamin d decreased
Wound haemorrhage (bleeding wound)
Vulval cellulitis (inflammation of skin around vagina)
Back pain
Balance disorder
Blood cholesterol increased
Blood glucose increased

male:

n/a

What are the common drug interactions of Kelp and Methotrexate, 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:

Hypoaesthesia (reduced sense of touch or sensation)

50-59:

Back pain
Blood glucose increased
Bruxism (habitual grinding of the teeth, typically during sleep)
Diarrhoea
Dry eye (lack of adequate tears)
Hallucination (an experience involving the perception of something not present)
Headache (pain in head)
Hot flush (sudden feelings of heat)
Illusion
Joint range of motion decreased (disease of joint movement)

60+:

Headache (pain in head)
Nasal congestion (blockage of the nasal passages usually due to membranes lining the nose becoming swollen from inflamed blood vessels)
Fatigue (feeling of tiredness)
Gait disturbance
Hypoaesthesia (reduced sense of touch or sensation)
Insomnia (sleeplessness)
Joint swelling
Muscle disorder (muscle disease)
Muscle tightness
Musculoskeletal stiffness (stiffness of the body's muscles, joints, tendons, ligaments and nerves)

What are the existing conditions these people have? *

Hypothyroidism (abnormally low activity of the thyroid gland, resulting in retardation of growth and mental development): 4 people, 25.00%
Pain: 3 people, 18.75%
Insomnia (sleeplessness): 3 people, 18.75%
Constipation: 3 people, 18.75%
Ankylosing Spondylitis (type of arthritis affecting the spine): 3 people, 18.75%
Vitamin D Decreased: 2 people, 12.50%
Type 2 Diabetes: 2 people, 12.50%
High Blood Pressure: 2 people, 12.50%
Uveitis (inflammation of the uvea): 1 person, 6.25%
Urinary Tract Infection: 1 person, 6.25%

* Approximation only. Some reports may have incomplete information.

Do you take Kelp and Methotrexate?

- Personalize this study to your gender, age, symptoms and drugs
- Predict drug outcomes for up to one year with AI
- Get an AI agent to monitor your drugs continuously