FDA MedWatch Safety Alerts: January 2013
- Metal-on-Metal Hip Implants: Updated Safety Recommendations
- Lower Doses Recommended for Sleep Drugs—Especially for Women
- Recall: Super Power “Dietary Supplement”
- Recall: Rugby Natural Iron Supplement
- Samsca Warning: Potential Risk of Liver Injury
- Risk of Fire With Grab ’n Go Vantage Portable Oxygen Cylinder Units
- Drug Safety Labeling Changes
FDA encourages health care professionals and consumers to report problems with medical products, including
- unexpected and undesirable side effects
- quality problems, such as a drug with an unusual odor or color, or a device with defective parts
- unclear or confusing instructions
- failure to deliver the expected benefit.
- Regular Mail: Use postage-paid, pre-addressed FDA form 35005
- Fax: 800-FDA-0178
- Phone: 800-332-1088
Here are some of the most recent safety alerts and ongoing safety reviews prompted by reports FDA has received through MedWatch.
Metal-on-Metal Hip Implants: Updated Safety RecommendationsFDA is providing updated safety information and recommendations to patients and health care professionals based on the agency’s current assessment of metal-on-metal hip implants, including:
- the benefits and risks
- the evaluation of published literature
- the results of an FDA advisory panel meeting held in June 2012
Some of the metal ions released will enter the bloodstream and travel to other parts of the body, where they may cause discomfort or illnesses.
Recommendations for People Considering a Metal-on-Metal Hip Implant
- Be aware that every hip implant has benefits and risks.
- Discuss your options for hip surgery with your orthopedic surgeon.
- See a list of questions6 to ask your orthopedic surgeon.
- If you are not having any symptoms and your orthopedic surgeon believes your implant is functioning properly, continue to follow-up routinely with the surgeon every one to two years.
- If you develop new or worsening problems, such as pain, swelling, numbness, noise (popping, grinding, clicking or squeaking of your hip) or a change in your ability to walk, contact your orthopedic surgeon right away.
- If you experience changes in your general health, including new or worsening symptoms outside your hip, let your doctor or other health care professional know you have a metal-on-metal hip implant.
- Information for Patients Considering a Metal-on-Metal Hip Implant7
- Information for Patients Who Have Metal-on-Metal Hip Implants8
- Metal-on-Metal Hip Implants9
- Metal-on-Metal Hip Implants: Safety Communication - Updated Safety Recommendations10
FDA is requiring manufacturers to lower the recommended dose for sleep drugs approved for bedtime use that contain zolpidem, the most widely used active ingredient in prescription sleep medications. The products affected are sold under the brand names Ambien, Ambien CR, Edluar and Zolpimist, and also as generics.
Lower Doses Recommended for Sleep Drugs—Especially for Women
The recommended doses of Intermezzo, a lower dose zolpidem product approved for middle-of-the-night awakenings, are not changing.
Risk: New data show that blood levels in some people who take zolpidem may be high enough the morning after use to impair activities that require alertness, including driving. This risk is highest for people who take products containing extended-release zolpidem (Ambien CR and generics). Women are especially vulnerable because zolpidem is cleared from the body more slowly in women than in men.
- Be aware that sleep drugs can cause impaired alertness the next morning, even if you feel fully awake.
- Talk to your health care professional about how to take the lowest effective dose of sleep drugs. Don’t assume that over-the-counter sleep medicines are necessarily safer alternatives to prescription drugs.
- FDA Consumer Update: Some Sleep Drugs Can Impair Driving11
- Questions and Answers: Risk of next-morning impairment after use of insomnia drugs12
- FDA Drug Safety Communication: Risk of next-morning impairment after use of insomnia drugs13
Recall: Super Power “Dietary Supplement”Freedom Trading has recalled one lot of its product sold as a dietary supplement under the brand name Super Power. The product is a capsule packaged in two-count blister packs. The recalled lot number is L08108, with an expiration date of 06/2015; both can be found on the back of the package.
Super Power contains trace amounts of sildenafil, which is not listed on the label. Sildenafil is an active ingredient in an FDA-approved prescription drug used to treat erectile dysfunction, making Super Power an unapproved drug. The product was sold nationwide between August 2012 and January 2013.
Risk: Sildenafil may interact with nitrates found in some prescription drugs, such as nitroglycerin, and may lower blood pressure to dangerous levels. Consumers with diabetes, high blood pressure, high cholesterol or heart disease often take nitrates.
- Immediately stop using the recalled product.
- Contact your health care professional if you have experienced any problems that may be related to taking this product. Signs of low blood pressure include dizziness, nausea, fainting, unusual thirst, blurred vision and fatigue. Sildenafil may also cause side effects such as headaches and flushing of the face.
- You can return the product to the place of purchase or directly to Freedom Trading. Call the company at 866-780-6474 Monday through Friday from 9:00 a.m. to 5:00 p.m. ET for instructions on the return and refund process.
For More Information: Super Power: Recall - Undeclared Ingredient14
Recall: Rugby Natural Iron Supplement
Advance Pharmaceutical Inc. has recalled one lot of Rugby Natural Iron Supplement Ferrous Sulfate 325 mg because a pharmacist found that a bottle contained a different drug, meclizine HCl 25 mg. The lot number of the recalled Rugby supplement is 12G468 and the expiration date is 07/14. The product is packaged in 100-count bottles15.Risk: Meclizine is an antihistamine used to treat or prevent motion sickness. Too much meclizine may lead to serious side effects, including reduced alertness, drowsiness, confusion, low blood pressure, coma and reduced breathing rate. Without treatment, meclizine toxicity could be life-threatening.
Taking meclizine HCl 25 mg while following the directions given for taking ferrous sulfate 325 mg may cause serious side effects in people who consume alcohol or other sedatives, those with a pre-existing central nervous system disorder, those with kidney or liver problems, the elderly, nursing infants of lactating mothers who received the drug, and newborns of mothers who received the drug immediately before childbirth.
- Do not use the recalled Rugby Natural Iron Supplement Ferrous Sulfate 325 mg lot number 12G468.
- Contact Advance Pharmaceutical with questions at 631-981-4600, ext. 300, Monday through Friday from 8:30 a.m. to 4:30 p.m. ET.
- Product photos16
- Ferrous Sulfate Tablets, 325 mg Labeled as Rugby Natural Iron Supplement: Recall - Bottle May Contain Meclizine HCl 25 mg Tablets17
Samsca Warning: Potential Risk of Liver InjurySignificant liver injury was found to be associated with the use of Samsca (tolvaptan) in a large clinical trial. Increases in liver enzymes, which could indicate serious liver damage, were found mostly during the first 18 months of taking Samsca.
Samsca is a prescription medicine used to help increase low sodium levels in the blood in adults with conditions such as heart failure, liver disease and certain hormone imbalances.
Risk: People who use Samsca may have an increased risk for irreversible and potentially fatal liver injury.
Recommendation: If you take Samsca, tell your health care professional right away if you have any symptoms that may indicate liver injury, such as:
- discomfort in the right upper belly
- dark urine
- yellowing of the skin (jaundice)
For More Information: Samsca (tolvaptan): Drug Warning - Potential Risk of Liver Injury18
Praxair Inc. issued a recall of its Grab ’n Go Vantage Portable Oxygen Cylinder unit because fires may occur inside the cylinder, causing the wall of the unit to break and release oxygen. The fires, which go out by themselves, may be caused by physical force, such as dropping or knocking over the cylinder unit.
Risk of Fire With Grab ’n Go Vantage Portable Oxygen Cylinder Units
The recalled Grab ’n Go Vantage units were distributed from June 17, 2009, to Nov. 16, 2012.
Risk: If a fire occurs, users may get burned or experience a lack of oxygen (hypoxia), which may cause death.
- Store the Grab ’n Go Vantage unit indoors in a safe area.
- Never store a unit in an elevated location.
- Handle the unit safely and avoid jarring or dropping it.
- Send the unit to Praxair Inc. for servicing and refilling after use, according to instructions.
For More Information: Recall Notice: Praxair Inc., Grab ’n Go Vantage Portable Oxygen Cylinder Units19
In December 2012, FDA required safety labeling changes to be made to 42 drugs, including a number of anti-depressants.
Drug Safety Labeling Changes
In general, changes were made to the prescribing information and, in some cases, to the patient package inserts and medication guides (paper handouts for patients that come with many prescription medicines) to warn about potential harmful reactions, tell who shouldn’t take the drug, or give other safety information.
For More Information: Monthly Safety Labeling Changes20
This article appears on FDA's Consumer Updates page21, which features the latest on all FDA-regulated products.Feb. 26, 2013
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