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Lactaid Side Effects

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Common Lactaid Side Effects


The most commonly reported Lactaid side effects (click to view or check a box to report):

Vomiting (5)
Diarrhoea (3)
Pain (3)
Cholelithiasis (2)
Abdominal Pain Upper (2)
Malaise (2)
Fatigue (2)
Cerebral Infarction (1)
Back Pain (1)
Cerebrovascular Accident (1)
Rhinorrhoea (1)
Discomfort (1)
Product Substitution Issue (1)
Visual Acuity Reduced (1)
Abdominal Pain (1)
Arthralgia (1)
Haematemesis (1)
Fibromyalgia (1)
Economic Problem (1)
Dyspnoea (1)

➢ More



If you or someone in your family has experienced a serious side effect to a health product, you are encouraged to report the experience to your health care professional (e.g. physician, pharmacist). You could also complete a copy of the side effect reporting form or report your side effect to FDA.

Lactaid Side Effects Reported to FDA



Lactaid Side Effect Report#9496897
Vomiting, Diarrhoea, Malaise
This is a report of a 44-year-old male patient (weight: NA) from US, suffering from the following health symptoms/conditions: lactose intolerance, who was treated with Lactaid (dosage: As Needed Taken By Mouth, start time:
Aug 28, 2013), combined with: NA. and developed a serious reaction and side effect(s): Vomiting, Diarrhoea, Malaise after the beginning of treatment. This case can indicate the possible existence of increased vulnerability to Lactaid treatment in male patients, resulting in Vomiting side effect.
Lactaid Side Effect Report#9293025
Vomiting, Diarrhoea, Hyperhidrosis, Haematemesis
This report suggests a potential Lactaid Fast Act Vomiting side effect(s) that can have serious consequences. A 38-year-old female patient (weight: NA) from US was diagnosed with the following symptoms/conditions: dyspepsia and used Lactaid Fast Act (dosage: 1 Tablet) starting
May 13, 2013. After starting Lactaid Fast Act the patient began experiencing various side effects, including: Vomiting, Diarrhoea, Hyperhidrosis, HaematemesisAdditional drugs used concurrently: NA.The patient was hospitalized. Although Lactaid Fast Act demonstrated significant improvements in a number of clinically relevant cases, troublesome symptoms, such as Vomiting, may still occur.
Lactaid Side Effect Report#9046928
Abdominal Pain Upper, Vomiting, Diarrhoea, Economic Problem
This Abdominal Pain Upper problem was reported by a consumer or non-health professional from US. A 48-year-old female patient (weight: NA) was diagnosed with the following symptoms/conditions: lactose intolerance,irritable bowel syndrome. On
Dec 31, 2012 this consumer started treatment with Lactaid (dosage: 1 Tablet At Each Meal). The following drugs were being taken at the same time: NA. When using Lactaid, the patient experienced the following unwanted symptoms/side effects: Abdominal Pain Upper, Vomiting, Diarrhoea, Economic ProblemAlthough all drugs are carefully tested before they are licensed for use, they carry side effect risks. Some side effects, such as Abdominal Pain Upper, may become evident only after a product is in use by the general population.
Lactaid Side Effect Report#8155576-8
Murphy's Sign Positive, Injury, Pain, Abdominal Pain, Cholelithiasis, Depression
This Murphy's Sign Positive side effect was reported by a consumer or non-health professional from United States. A 25-year-old female patient (weight:NA) experienced the following symptoms/conditions: NA.The patient was prescribed Lactaid (drug dosage: NA), which was initiated on
Mar 21, 2009. Concurrently used drugs:
  • Yasmin (Unk)
  • Drospirenone And Ethinyl Estradiol
  • Drospirenone And Ethinyl Estradiol (Unk)
  • Yasmin
  • Velivet
.After starting to take Lactaid the consumer reported adverse symptoms, such as: Murphy's Sign Positive, Injury, Pain, Abdominal Pain, Cholelithiasis, DepressionThese side effects may potentially be related to Lactaid.
Lactaid Side Effect Report#8133795-4
Product Substitution Issue, Vomiting
This is a report of a 25-year-old male patient (weight: NA) from United States, suffering from the following health symptoms/conditions: lactose intolerance, who was treated with Lactaid Fast Act (dosage: 1 Pill, start time:
Jan 01, 2009), combined with: NA. and developed a serious reaction and side effect(s): Product Substitution Issue, Vomiting after the beginning of treatment. This case can indicate the possible existence of increased vulnerability to Lactaid Fast Act treatment in male patients, resulting in Product Substitution Issue side effect.
Lactaid Side Effect Report#7812970-X
Arthralgia, Hepatic Cirrhosis, Cholelithiasis, Pain, Nephrolithiasis, Fibromyalgia
This report suggests a potential Lactaid Arthralgia side effect(s) that can have serious consequences. A female patient (weight: NA) from United States was diagnosed with the following symptoms/conditions: lactose intolerance,gastrointestinal disorder,abdominal discomfort,vitamin supplementation,prophylaxis,thrombosis prophylaxis,rheumatoid arthritis and used Lactaid (dosage: NA) starting
Jan 01, 2008. After starting Lactaid the patient began experiencing various side effects, including: Arthralgia, Hepatic Cirrhosis, Cholelithiasis, Pain, Nephrolithiasis, FibromyalgiaAdditional drugs used concurrently:
  • Entocort Ec
  • Prevacid
  • Vitamin D
  • Prevacid
  • Aspirin
  • Humira
  • Plaquenil
  • Topamax
The patient was hospitalized. Although Lactaid demonstrated significant improvements in a number of clinically relevant cases, troublesome symptoms, such as Arthralgia, may still occur.
Lactaid Side Effect Report#7498346-6
Memory Impairment, Cerebrovascular Accident, Visual Acuity Reduced, Cerebral Infarction, Cognitive Disorder
This Memory Impairment problem was reported by a consumer or non-health professional from United States. A 53-year-old female patient (weight: NA) was diagnosed with the following symptoms/conditions: NA. On
Sep 01, 2007 this consumer started treatment with Lactaid (dosage: NA). The following drugs were being taken at the same time:
  • Calcium Carbonate
  • Atacand Hct
  • Glipizide (5 Mg, Bid)
  • Vitamin E
  • Lotrel
  • Metformin (500 Mg, Bid)
  • Clarinex (5 Mg, Qd)
  • Astelin (Unk Unk, Prn)
When using Lactaid, the patient experienced the following unwanted symptoms/side effects: Memory Impairment, Cerebrovascular Accident, Visual Acuity Reduced, Cerebral Infarction, Cognitive DisorderThe patient was hospitalized.Although all drugs are carefully tested before they are licensed for use, they carry side effect risks. Some side effects, such as Memory Impairment, may become evident only after a product is in use by the general population.
Lactaid Side Effect Report#7314679-8
Lipids Increased, Oropharyngeal Pain, Fatigue, Back Pain, Rhinorrhoea
This Lipids Increased side effect was reported by a health professional from United States. A 15-year-old female patient (weight:NA) experienced the following symptoms/conditions: NA.The patient was prescribed Lactaid (drug dosage: NA), which was initiated on
Oct 04, 2010. Concurrently used drugs:
  • Amnesteem
  • Albuterol
  • Motrin
  • Multi-vitamin
  • Amnesteem
.After starting to take Lactaid the consumer reported adverse symptoms, such as: Lipids Increased, Oropharyngeal Pain, Fatigue, Back Pain, RhinorrhoeaThese side effects may potentially be related to Lactaid.
Lactaid Side Effect Report#6762948-2
Vomiting
This is a report of a 11-year-old female patient (weight: NA) from United States, suffering from the following health symptoms/conditions: lactose intolerance, who was treated with Lactaid Fast Act Mcneil Nutritionals (dosage: 1 Chewable Tablet One Tablet Po, One Evening, start time:
May 21, 2010), combined with: NA. and developed a serious reaction and side effect(s): Vomiting after the beginning of treatment. This case can indicate the possible existence of increased vulnerability to Lactaid Fast Act Mcneil Nutritionals treatment in female patients, resulting in Vomiting side effect.
Lactaid Side Effect Report#6532203-4
Abdominal Pain Upper, Chest Pain, Chills, Discomfort, Dyspnoea, Fatigue, Malaise, Muscle Spasms, Pain
This report suggests a potential Lactaid Fast Act Ultra Mcneil Nutritionals Abdominal Pain Upper side effect(s) that can have serious consequences. A 42-year-old female patient (weight: NA) from United States was diagnosed with the following symptoms/conditions: NA and used Lactaid Fast Act Ultra Mcneil Nutritionals (dosage: 1 Pill Every Time W/ Dairy Po) starting
Dec 27, 2009. After starting Lactaid Fast Act Ultra Mcneil Nutritionals the patient began experiencing various side effects, including: Abdominal Pain Upper, Chest Pain, Chills, Discomfort, Dyspnoea, Fatigue, Malaise, Muscle Spasms, PainAdditional drugs used concurrently: NA. Although Lactaid Fast Act Ultra Mcneil Nutritionals demonstrated significant improvements in a number of clinically relevant cases, troublesome symptoms, such as Abdominal Pain Upper, may still occur.



The appearance of Lactaid on this list does not mean that FDA has concluded that the drug has the listed risk. It means that FDA has identified a potential safety issue, but it does not mean that FDA has found a causal relationship between the drug and the listed risk.

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What are common Lactaid Side Effects for Women?

Women Side EffectsReports
Pain 3
Vomiting 3
Abdominal Pain Upper 2
Cholelithiasis 2
Diarrhoea 2
Fatigue 2
Abdominal Pain 1
Arthralgia 1
Back Pain 1
Cerebral Infarction 1

What are common Lactaid Side Effects for Men?

Men Side EffectsReports
Vomiting 2
Diarrhoea 1
Malaise 1
Product Substitution Issue 1

Track Your Side Effects

Note Your Observations

It is really important to keep track of your health symptoms, right from the time you start a new medicine. You can do it any way you prefer: in a notebook, in a computer file or using our online tool. You should also note down any other medicines you are taking at the same time, because there could be an interaction between these medicines.

Why Your Notes are Important

Your notes could be helpful in several ways:

  • You can use them to remind you of details that may alert your health care professional(s) to a problem
  • You will have a record to refer to in the future, in case you are ever prescribed the same medicine again

  • Log Form

    You can use the following log form to write down important information, like the date and time you experienced a side effect and your symptoms, how strong the symptoms were, and any other medicines you were using.

    Medicine Name and Dosage:
    Side Effects Scale Date & Time Other Medicine(s) or Treatment(s)
    Scale: 1 = very mild to 10 = very bad

    Side effects reports are analyzed to discover potential health product safety signals. Some important reactions may take an extremely long time to develop or occur infrequently. Continued monitoring of adverse reactions is thus essential to maintain a comprehensive safety and effectiveness profile of health products.

    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.

    Lactaid reports list potential signals of serious risks and new safety information that were identified using the FDA Adverse Event Reporting System (FAERS).
    FAERS is a database that contains information on adverse event and medication errors reports submitted to FDA by healthcare professionals (such as physicians, pharmacists, nurses and others), consumers (such as patients, family members, layers and others) and manufacturers.

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    Discuss Lactaid Side Effects

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    Lactaid Safety Alerts, Active Ingredients, Usage Information

    More About Lactaid

    Side Effects reported to FDA: 10

    Lactaid safety alerts: No

    Reported hospitalizations: 2

    Latest Lactaid clinical trials