Cranberry and Alphagan drug interactions - a phase IV clinical study of FDA data

Summary:

Drug interactions are reported among people who take Cranberry (cranberry) and Alphagan (brimonidine tartrate). Common drug interactions include cellulitis among females and abasia among males.

The phase IV clinical study analyzes what interactions people have when they take Cranberry and Alphagan. It is created by eHealthMe based on reports of 21 people who take the same drugs from the FDA, and is updated regularly.

What is Cranberry?

Cranberry has active ingredients of cranberry. It is often used in urinary tract infection. eHealthMe is studying from 5,399 Cranberry users. Check the latest studies of Cranberry.

What is Alphagan?

Alphagan has active ingredients of brimonidine tartrate. It is often used in glaucoma. eHealthMe is studying from 9,981 Alphagan users. Check the latest studies of Alphagan.

eHealthMe: drug outcomes in the real world

eHealthMe runs one of the largest post-marketing drug safety studies in the world. We study millions of patients and 5,000 more each day. Our data-driven phase IV clinical trials have been referenced on 800+ peer-reviewed medical publications including The Lancet, Mayo Clinic Proceedings, and Nature. Tools to study our phase IV findings are available to the public, anonymous and free >>>.

On Aug, 20, 2026

21 people who take Cranberry and Alphagan together, and have interactions are studied.

Cranberry and Alphagan drug interactions.

What are the common drug interactions of Cranberry and Alphagan, by gender? *:

female:

Cellulitis (infection under the skin)
Dyspnoea (difficult or laboured respiration)
Eye pain
Facial paralysis (loss of function of face muscle)
Neuropathy peripheral (surface nerve damage)
Peripheral nerve palsy
Swelling
Wound
Blood pressure increased
Bronchial disorder

male:

Abasia (inability to walk)
Dysarthria (speech disorder)
Hallucination (an experience involving the perception of something not present)
Hypersensitivity
Movement disorder (neurological syndromes where they may be excess of movement or a paucity of movement that is not connected to weakness)
Transient ischaemic attack (a transient episode of neurologic dysfunction caused by ischemia (loss of blood flow))

What are the common drug interactions of Cranberry and Alphagan, 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 pressure increased
Constipation

60+:

Cellulitis (infection under the skin)
Contusion (a type of hematoma of tissue in which capillaries)
Change of bowel habit
Cough
Death
Diarrhoea
Dysarthria (speech disorder)
Hallucination (an experience involving the perception of something not present)
Hypersensitivity
Insomnia (sleeplessness)

What are the existing conditions these people have? *

Multiple Myeloma (cancer of the plasma cells): 5 people, 23.81%
Pulmonary Hypertension (increase in blood pressure in the lung artery): 3 people, 14.29%
Pain: 3 people, 14.29%
Neurotrophic Keratopathy (decreased corneal sensitivity and poor corneal healing): 3 people, 14.29%
Immunodeficiency Disorders: 3 people, 14.29%
Sleep Disorder: 2 people, 9.52%

* Approximation only. Some reports may have incomplete information.

Do you take Cranberry and Alphagan?

- 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