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Suffering cold, cough and throat infection. Does Robitussin DM have opiates? How long does it stay in the human body?

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Does Robitussin DM have opiates, if long it stays in human body
i had a hard time suffering through cold, cough and throat infection. I purchased a cough syrup named Robitussin DM from a walmart store in Westminster, Colorado. it is an OTC medicine. Below is the link and drug facts of medicine.

Link of medicine

Drug Facts
Active Ingredient
Dextromethorphan hbr, USP 10 mgCough suppressant
Inactive Ingredients
Anhydrous citric acid, artificial & natural flavors, carboxymethylcellulose sodium, d&c red no. 33, FD&C red no. 40, glycerin, high fructose corn syrup, menthol, microcrystalline cellulose, polyethylene glycol, povidone, propylene glycol, purified water, saccharin sodium, sodium benzoate, sorbitol solution, xanthan gum.

I took this medicine for the period starting from April 8 to April 16 2013 then I came back to India. In India, I had to undergo a drug test in my office as a compliance requirement for the new client associated with my company it was conducted on on may 6 2013 where I was found to be positive for opiates.

my questions ?
1) does this cough syrup or any of the ingredients used in this cough syrup has opiates in it ?
2)if answer is yes to above how long it stays in body ?
3) what is the probability of having found opiates in my case .
Your urgent help is highly appreciated in this regard

Posted Sun, 25 Aug 2013 in Medicines and Side Effects
Answered by Dr. Aparna Amritsagar 36 minutes later
Thanks for writing your query to us.

Robitussin DM contains guaifenesin , Dextromethorphan combination. It does not contain opioid . There is a possibility of test being false positive or you might have taken something else that might has opioid. Some painkillers also contain opioid .Opiate can stay in your body for about weeks time depending on dose of drug taken, body weight , water intake.

You can also get test repeated from a reliable lab so as to avoid error again. 

I hope I have answered your query. In case you have any further query, I will be happy to help you. 
Above answer was peer-reviewed by
Follow-up: Suffering cold, cough and throat infection. Does Robitussin DM have opiates? How long does it stay in the human body? 2 days later
Dear doctor thanks for your reply. %0AWith all due respect%2C When you say that there is a possibility of test being false positive %3F What does this mean %3F Information you mentioned is available everywhere on the internet. About having the test redo%2C i will definately go for that however my primary concern is getting around the result of first time.%0AThere is rarest rare possibility of having found opiates from any other food%2C substance etc. only source could be the medicines or you can say excessive doses of cough syrups. The study i have done so far from internet%2Ci am not getting anything concrete. I am attaching the details sequence of medicines and its period one more time. Please have a thorough look.Also%2C i have attached few links where it says either Robitussin or DXM can cause false opiates. Once again the question is not this in real sense that Robitussin DM has opiates in it%2C real question is ...can any of the ingredients in it or other medicines stated below or most importantly the interactions between various ingredients of these medicines can cause opiates or not. You might feel that i am looking for one kind of answer from you. Truely%2C this is not the case. I am just trying to undersand this better in that i can answer confidently when I am questioned in any forum in my company %3F Below are the details. Thanks in Advance.%0A %0A%0ADoes Robitussin DM or TusQ or Codistar Dx can show as false positive for opiates%3F Also Consider if doses were taken in excess of normal. If yes%E2%80%A6how long it stays in human body %3F%0A %0ABackground%0A %0AName- XYZ%0AAge- 27 Years%0AWeight %E2%80%93 60 Kg.%0AHeight- 5 Ft 7 inches%0A %0ADetails %28 Medicines taken and Period %29%0A %0ARobitusssin DM %28 Period Taken April 8- 2013 to April 16 2013%29 %E2%80%93 237 ml. bottle%0ADrug Facts- Taken from ingredients %28in each 10 ml%29%0ADextromethorphan HBr%2C USP 20 mg%0AGuaifenesin%2C USP 400 mg%0A %0AInactive ingredients%0Aanhydrous citric acid%2C artificial %26 natural flavors%2C carboxymethylcellulose sodium%2C D%26C red no. 33%2C FD%26C red no. 40%2C glycerin%2C high fructose corn syrup%2C menthol%2C microcrystalline cellulose%2C polyethylene glycol%2C povidone%2C propylene glycol%2C purified water%2C saccharin sodium%2C sodium benzoate%2C sorbitol solution%2C xanthan gum%0A %0A-Benz Pearls %28Benzonatate%29 - 100mg %28Period Taken April 25%E2%80%99 2013 to May 8%E2%80%99 2013%29%0AActive Ingredient- Benzonatate%0A-Codistar DX syrup 100m.l. %28Period Taken April 25%E2%80%99 2013 to May 7%E2%80%99 2013%29%0AActive Ingredient- Dextromethorphan%0AAzithromycin 500 Mg- %28Period Taken April 25%E2%80%99 2013 to May 7%E2%80%99 2013%29%0Aazithromycin%2C an azalide%2C a subclass of macrolide antibiotics%2C%0A %0A- A to Z syrup- Period Taken From %28 May 8 2013 to May 16 2013%29%0ACalcium%0AChromium%0AIodine%0AManganese%0AMolybdenum%0ASelenium%0AVitamin A%0AVitamin B1%0AVitamin B12%0AVitamin B2%0AVitamin B2 %28Riboflavin%29%0AVitamin B3%0AVitamin B5 %28Pantothenic Acid%29%0AVitamin B6%0AVitamin C%0AVitamin D%0AVitamin E%0AZinc%0A- Pantop 40 mg%0ASalts - Pantoprazole %2840 mg%29 %0A- TusQ D Syrup%0ADextromethorphan%0A- Augmentin 625 mg%0A %0A%E2%80%A2amoxicillin trihydrate and potassium clavulanate%0A%E2%80%A2colloidal anhydrous silica%0A%E2%80%A2dimethicone%0A%E2%80%A2hypromellose%0A%E2%80%A2macrogol %0000%2C 6000%29%0A%E2%80%A2magnesium stearate%0A%E2%80%A2microcrystalline cellulose%0A%E2%80%A2sodium starch glycolate%2C Type A%0A%E2%80%A2titanium dioxide %28E171%29%0A-Calpol Tab and %0AParacetamol%0A-LCZ tab%0ALevocetirizine 10 mg%0A %0AReferences %3A%0A %0Acheck forr Robitusssin%0A %0ACheck Dextromethorphan %28DXM%29 aand Robitussin both%0A %0ADextromethorphan %0ACheck cutoff values%0A
Answered by Dr. Aparna Amritsagar 21 minutes later

Dextromethorphan can cause a false positive result for opiates, because of its structural similarity to opiates. However, studies have also shown that Dextromethorphan, if taken at therapeutic doses, will not yield a false positive for the opioid screen.

The only way to confirm it is to repeat the test & see the results.

Augmentin & multivitamin tablets are safe & does not contain opiate.

Hope this gives you clear information. Please let me know if otherwise, I shall explain better.
Above answer was peer-reviewed by
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