Forteo and Valcyte drug interactions - a phase IV clinical study of FDA data

Summary:

Drug interactions are reported among people who take Forteo (teriparatide recombinant human) and Valcyte (valganciclovir hydrochloride). Common drug interactions include back pain among females and malaise among males.

The phase IV clinical study analyzes what interactions people have when they take Forteo and Valcyte. It is created by eHealthMe based on reports of 22 people who take the same drugs from the FDA, and is updated regularly.

What is Forteo?

Forteo has active ingredients of teriparatide recombinant human. It is often used in osteoporosis. eHealthMe is studying from 127,076 Forteo users. Check the latest studies of Forteo.

What is Valcyte?

Valcyte has active ingredients of valganciclovir hydrochloride. It is often used in cmv - immunocompromised host. eHealthMe is studying from 6,409 Valcyte users. Check the latest studies of Valcyte.

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, 17, 2026

22 people who take Forteo and Valcyte together, and have interactions are studied.

What are the common drug interactions of Forteo and Valcyte, by gender? *:

female:

Back pain
Bone pain
Hospitalisation
Malaise (a feeling of general discomfort or uneasiness)
Pneumonia
Adrenal insufficiency (a condition in which the adrenal glands do not produce adequate amounts of steroids)
Anal atresia (anus is either not present or it is in the wrong place)
Caudal regression syndrome (disorder that impairs the development of the lower (caudal) half of the body)
Conus medullaris syndrome (collection of signs and symptoms associated with injury to the lower end of spinal cord)
Female genital tract fistula (passage in genital tract of female)

male:

Malaise (a feeling of general discomfort or uneasiness)
Back pain
Transplant rejection (a transplant material is not worked)
Blood calcium decreased
Acute respiratory failure
Cataract (clouding of the lens inside the eye)
Chronic obstructive pulmonary disease (a progressive disease that makes it hard to breathe)
Death
Diverticulum intestinal haemorrhagic (a pouch that is attached to the first part of the small intestine with bleeding)
Dyspnoea (difficult or laboured respiration)

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

0-1:

n/a

2-9:

n/a

10-19:

n/a

20-29:

n/a

30-39:

Blood calcium decreased

40-49:

n/a

50-59:

Back pain
Malaise (a feeling of general discomfort or uneasiness)
Bone pain
Hospitalisation
Cardiac failure
Cytomegalovirus infection
Hyperglycaemia (high blood sugar)
Parvovirus infection
Cataract (clouding of the lens inside the eye)
Chronic obstructive pulmonary disease (a progressive disease that makes it hard to breathe)

60+:

Blood parathyroid hormone increased
Cardiac failure congestive
Acute respiratory failure
Bone density decreased
Interstitial lung disease
Low cardiac output syndrome (decreased cardiac output)
Palpitations (feelings or sensations that your heart is pounding or racing)
Productive cough
Cough
Eosinophilic myocarditis (acute and fulminate congestive heart failure)

What are the existing conditions these people have? *

Hyperglycemia (high blood sugar): 2 people, 9.09%

* Approximation only. Some reports may have incomplete information.

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