What is biesa?
“This is biesa, cheaper than heroin and does the same thing.” This is how the powder is often presented to someone trying it for the first time. But no one knows exactly what is in these bags, neither the person selling them nor the person buying them, and that alone is reason enough to consider them among the most dangerous things sold on the street.
Biesa is a widespread street name in Egypt for a powder sold as cheap heroin or “second grade.” The name does not refer to a specific chemical you could look up in a medical reference, but to a commercial product in the illicit market whose contents change from one seller to another and from one time to another. So it should be treated as an unknown substance that may contain an opioid in an unknown proportion along with other unknown substances.
What is shado?
Shado is a street name that does not point to a single substance, and the available sources do not agree on what it means. Some treatment centers describe it as a powder sold as a cheap type of heroin or “powder” and use it interchangeably with biesa, while others describe it as a mix based on Strox or hashish, and some link it to powder drug. In an incident reported by Telegraph Misr, Maadi-area (Al-Maasara) detectives in Cairo seized a factory making “shado” and “Strox” together; the information indicated that its owner sold both to heroin dealers, and heroin was also found in his possession. The bottom line is that the composition of shado is unknown and there are no published analyses of it in Egypt; it may contain an opioid, synthetic cannabis or both, along with other substances, and there is no evidence that it is any “cleaner” than the others.
Why are biesa and shado sold at a lower price?
Cheapness in the drug market usually has one explanation: a lower proportion of the active substance and a higher proportion of additives. The UK’s FRANK service notes that heroin is often cut with sugar, starch, powdered milk, quinine and paracetamol because they add weight and profit. The problem is that these “cheap additives” are not the whole story; something that strengthens the effect or masks its weakness may be added to the mix, and that is where the real danger begins.
What is street heroin cut with?
There are no published studies on the composition of biesa or shado in Egypt, but studies from other countries give a picture of street heroin in general:
- In a Danish study that analyzed 676 samples of street heroin between 2006 and 2024, the median heroin purity was only about 22%, and caffeine was found in 87.8% of samples and paracetamol in 71.4%.
- FRANK warns that some drugs are mixed with very potent synthetic opioids such as fentanyls and nitazenes, and that heroin may be cut with sedatives from the benzodiazepine and barbiturate groups.
- In a 2021 case report from India, analysis of an unknown substance that a patient had mixed with heroin revealed high concentrations of benzodiazepines and barbiturates alongside caffeine and paracetamol, and he developed sudden sedation, weakness, unsteadiness and slurred speech.
How do biesa and shado affect the brain and body?
As long as the powder contains heroin, it acts like heroin. The US National Institute on Drug Abuse (NIDA) explains that in the brain heroin is converted to morphine, which binds quickly to opioid receptors, causing a “rush” of pleasure with warm skin, dry mouth and heavy limbs, and possibly nausea, vomiting and severe itching. Then comes drowsiness lasting for hours, clouded thinking, a slow heart rate, and slowed breathing that can be life-threatening and lead to coma and permanent brain damage.
The unknown substances add symptoms you would not expect: sedatives increase drowsiness, slurred speech and unsteadiness, stronger opioids raise the risk of breathing stopping, and repeated paracetamol in unknown amounts is an added burden on the liver.
Biesa and shado compared with heroin and pharmaceutical opioids
| Point of comparison | Biesa and shado | Heroin | Pharmaceutical opioids |
|---|---|---|---|
| Known composition | Unknown and variable | The substance is known but street purity varies | Composition and concentration are known |
| Strength | Unpredictable from one bag to the next | Varies with adulteration | Set by the prescription |
| Added substances | Possible, and may include sedatives | Common in street heroin | Not present in the original medicine |
| Overdose risk | Very high | Very high | Present, especially with misuse and mixing |

Pharmaceutical opioids such as tramadol are not safe outside a prescription either, but the difference is that a person who uses biesa does not even know what they are taking.
Why do young people fall into the biesa and shado trap?
- The belief that they are “milder” than heroin and will not cause addiction, when there is no evidence of that.
- The low price, which makes trying and repeating easier.
- The assumption that smoking or sniffing instead of injecting makes them safe, even though addiction and overdose happen with every route.
- Using them to ease withdrawal from another opioid such as tramadol, which starts a new cycle.
The legal status of biesa and shado in Egypt
Biesa and shado are not legal names, but what is sold under them is generally assumed to be heroin, and in the case of shado it may be synthetic cannabis; both are prohibited. Heroin is completely prohibited in Egypt and is listed in Schedule 1 attached to Law No. 182 of 1960 on drug control, with no permitted medical use. The Fund for Drug Control and Treatment of Addiction offers free, confidential treatment through hotline 16023, and seeking treatment is a healthy step that fear should not prevent.
This is general educational information and not legal advice.
Street heroin in numbers
Source: Hesse et al., study of street heroin purity and additives in Denmark 2006–2024, Forensic Science International. No comparable published figures are available for Egypt.
Biesa and heroin: where to find the details?
Because biesa is sold as heroin, and shado often is too, their harms, symptoms and treatment are close to what the heroin guide explains, with an added risk from unknown substances (and if what the person used was a mix based on synthetic cannabis, the Strox guide is the closer match):
- Harms: from the heart, lungs and liver to infections from injecting, in harms of heroin.
- Signs: what a family may notice, such as drowsiness, small pupils and behavior changes, in symptoms of heroin addiction and signs of use.
- Withdrawal: when it starts and how long it lasts, day by day, in heroin withdrawal symptoms.
- Treatment: detox, approved medications and rehabilitation, in heroin addiction treatment.
- Testing: how long it stays in urine, blood and hair, in how long heroin stays in the body.
- Causes: why addiction happens so quickly, in causes of heroin addiction.
Among the medicines a doctor may decide on is buprenorphine, with hepatitis virus testing for anyone who injected, and closer monitoring of withdrawal if the mix may have contained sedatives.
Biesa and Shado Guide: Everything You Need to Know
We have gathered everything about biesa and shado into 6 pages, each answering one question in detail. Choose what you are looking for:
Harms of heroin to the body and mind
Learn about the harms of heroin to the heart, lungs, liver, kidneys and brain, its psychological and social harms, the risk of injecting and infection, and its effect on pregnancy and the fetus.
Causes of heroin addiction
Why is heroin so quickly addictive? Learn the causes of heroin addiction: its effect on the brain, genetic and psychological factors, trauma, environment, and misuse of painkillers.
Heroin addiction symptoms and signs of use
How can you tell someone is using heroin? The physical, behavioral and psychological signs of heroin addiction, the items you may find, diagnostic criteria, and how to respond.
Heroin withdrawal symptoms and how long they last
When do heroin withdrawal symptoms start and how long do they last? The withdrawal timeline, early and late symptoms, long-term withdrawal, and why it needs medical supervision.
Heroin addiction treatment: stages and duration
How is heroin addiction treated? The stages of treatment from assessment and detox to approved medications, psychotherapy, rehabilitation and relapse prevention, and how long each stage takes.
How long heroin stays in the body and drug testing
How long does heroin stay in the body? How long it stays in urine, blood, saliva and hair, how it is converted in the body, the factors that affect it, and causes of false positive results.
Found out your son uses biesa or shado? Start here
- Stay calm, and do not start the conversation while he is under the influence or very drowsy.
- Learn the signs of overdose and save the ambulance number, 123; they matter more than any discussion.
- Do not assume it is “milder” than heroin; treat it with the same seriousness.
- Avoid threats and punishment alone, and use the guide to convincing a person with addiction to accept treatment.
- Seek a specialist assessment; detox may need a residential program if the mix is unknown or relapses have recurred, with the family program to support you.
Danger signs after using biesa or shado: call ambulance (123) immediately
- No response to calling or touch, or loss of consciousness
- Very slow or irregular breathing, or unusual snoring
- Pinpoint pupils with bluish lips or fingernails
- Sudden drowsiness with slurred speech and unsteadiness, especially if the mix contains sedatives
- Vomiting while drowsy or with reduced consciousness
Call ambulance (123) immediately. If the person is unconscious but breathing, place them on their side so they do not choke on vomit. Stay with them and do not leave them alone. Do not give them food or drink, and tell the paramedics everything they took or used, and the amount and time if you know them.
Call the ambulance 123