July 24, 2016
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Side Effects


The following adverse reactions are discussed in greater detail in other sections of the prescribing information:

Clinical Trials Experience

Because clinical trials are conducted under widely varying conditions, adverse reaction rates observed in the clinical trials of a drug cannot be directly compared to rates in the clinical trials of another drug and may not reflect the rates observed in practice.

The adverse reactions described in this section were observed in a total of 1,309 subjects (24 healthy volunteers and 1,285 patients in clinical trials). Patients ranged in age from 12 to 85 years (mean age of 50 years) and 680 subjects (52%) were men. The ethnic distribution was 84% White, 9% Black, 3% Asian, and 4% other.

Overall, 460 subjects (35%) reported at least one adverse reaction. Most adverse reactions were mild or moderate in severity. The most commonly noted adverse reactions were: injection associated discomfort (26%), headache (9.4%), vasodilatation (6.4%), taste perversion (6.2%), dizziness (3.7%), nausea (3.2%), and paresthesia (2.2%). Table 2 lists adverse reactions reported in 1% or greater of patients.

Table 2 : Adverse Reactions Experienced by ≥ 1% of Patients

Body System or Event OptiMARK
(N = 1309)
Injection associated discomfort 26.4%
Headache 9.4%
Vasodilatation 6.4%
Taste Perversion 6.2%
Dizziness 3.7%
Nausea 3.2%
Paresthesia 2.2%
Diarrhea 1.9%
Pain Abdomen 1.8%
Asthenia 1.5%
Injection Site Reaction 1.5%
Rhinitis 1.5%
Dyspepsia 1.2%
Pain Back 1.2%
Pain 1.0%

The following adverse reactions occurred in less than 1% of the patients:

Body as a W hole: allergic reaction, facial edema, fever, malaise, neck rigidity, neck pain, pelvic pain, increased sweating

Cardiovascular: arrhythmia, chest pain, hypertension, hypotension, pallor, palpitation, syncope, tachycardia, vasospasm

Digestive: anorexia, constipation, dry mouth, dysphagia, eructation, increased salivation, thirst, vomiting

Metabolic and Nutritional: increased creatinine, edema, hypercalcemia

Musculoskeletal: arthralgia, leg cramps, myalgia, spasm

Nervous System: agitation, anxiety, confusion, diplopia, dystonia, hypertonia, hypesthesia, somnolence, tremor, vertigo

Respiratory System: cough, dyspnea, laryngismus, pharyngitis, sinusitis, voice alteration

Skin and Appendages: erythema multiforme, pruritus, rash, thrombophlebitis, urticaria

Special Senses: parosmia, tinnitus

Urogenital: oliguria

Post-marketing Experience

The following adverse reactions have been identified during post-approval use of OptiMARK. Because these reactions are reported voluntarily from a population of uncertain size, it is not always possible to reliably estimate their frequency or establish a causal relationship to OptiMARK.

  • Nephrogenic Systemic Fibrosis (NSF)
  • Hypersensitivity reactions including bronchospasm and laryngeal/pharyngeal edema
  • Seizures

Read the OptiMARK (gadoversetamide injection) Side Effects Center for a complete guide to possible side effects


Drug interactions with other contrast agents and other drugs have not been studied.

This monograph has been modified to include the generic and brand name in many instances.

Last reviewed on RxList: 12/15/2014

Side Effects

Report Problems to the Food and Drug Administration


You are encouraged to report negative side effects of prescription drugs to the FDA. Visit the FDA MedWatch website or call 1-800-FDA-1088.

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