Lacson does not appear in the South African Medicine Price Registry, so this page cannot say what it contains. Searches are mostly about a syrup, and syrups are the form where getting the identification right matters most — because they are usually bought for children.
What is Lacson?
A search of the South African Medicine Price Registry returns no product under this name, and this guide will not guess at one.
There are several ordinary explanations. It may be a complementary or traditional medicine, which follows a different regulatory route here. It may be a general-sale product needing no registration as a scheduled medicine. It may be registered under a different name from the one printed on the front — common with imports and licensed distribution. It may be sold mainly in another country and have reached you through family, an online order or an informal trader. Or it may have lapsed from the register.
None of these means the product is unsafe. What they mean is that its contents cannot be verified from here, and nobody should tell you what is in a medicine they have not identified.
One caution worth flagging. Names in this shape — Lacson, Lactulose, Lactovita, Lacteol — belong to unrelated products. Lactulose is a laxative; probiotic and lactose-based supplements are something else again. Similar names are a recognised cause of medication error, so read the active ingredient rather than the brand.
What is Lacson commonly used for?
Since the contents cannot be verified, the useful answer is how to establish them.
Read the bottle. Every legitimate product — registered, complementary or general sale — must declare its active ingredients. Look for:
- An “Active ingredients” panel, usually stating the amount per 5 ml.
- A registration number, or wording such as “complementary medicine”.
- A schedule marking (S0 to S6).
- The manufacturer and distributor, with a South African contact address.
- The stated purpose, and the leaflet inside the box.
- The age it is intended for, and the dose for that age.
Then take it to a pharmacist. For a syrup this matters more than usual, because syrups are dosed by a child’s age and weight, and because several common syrup ingredients — sedating antihistamines, codeine, alcohol — are not suitable for young children at all.
If there is no ingredient panel, do not give it to a child. A product nobody can identify cannot be dosed safely and cannot be accounted for if the child becomes unwell.
Two general rules about children’s syrups are worth knowing regardless of what this one turns out to be:
Do not use a kitchen spoon. Kitchen teaspoons vary widely in size. Use the measuring device supplied, or a syringe from a pharmacy.
Do not scale an adult dose down by guesswork. Children are dosed by weight and age, and halving an adult dose is not a valid method.
How Lacson fits into this medicine category
Without knowing the ingredients, the product cannot be placed. These are the main groups a syrup in this category might belong to:
| Group | Examples | What they do |
|---|---|---|
| Simple analgesics | Paracetamol syrup | Pain and fever in children |
| Anti-inflammatories | Ibuprofen syrup, diclofenac (K-Fenak OTC) | Pain with inflammation; stomach cautions |
| Cough and cold syrups | Combination products | Often contain antihistamines, decongestants, sometimes codeine |
| Laxatives | Lactulose | Constipation |
| Antihistamines | Promethazine, chlorphenamine | Allergy; markedly sedating |
| Combination remedies | HP553 and similar | Several actions at once |
| Traditional and herbal | Various | Separate regulatory route; contents vary |
The cautions differ sharply between rows, which is why identification comes first. See the general medicines hub.
What to check before using Lacson
- Identify the active ingredients, then check nothing else you or your child is taking contains the same thing. Doubling up on paracetamol is the most common serious medication error in homes.
- Check the age suitability and the dose for that age.
- Use the measuring device supplied.
- Check the expiry date, the seal, and how long it keeps after opening — syrups often have a short in-use life.
- Check where it came from. A pharmacy is a very different proposition from an unlabelled bottle bought informally.
- Tell your doctor or pharmacist about all other medicines, including anything for a chronic condition.
- Take extra care in pregnancy and breastfeeding.
- Do not give an unidentified product to a baby or young child, and never to an infant.
Possible cautions and when to ask a pharmacist or doctor
Do not take or give a medicine you cannot identify if there are regular prescription medicines involved, if the person is pregnant or breastfeeding, if there is a chronic condition, or if it is for a child. Ask a pharmacist first.
Stop and seek medical attention if, after taking any product, there is:
- Swelling of the face, lips or tongue, difficulty breathing, or a widespread rash.
- Unusual drowsiness, difficulty waking, or floppiness in a child.
- Slow or shallow breathing.
- Persistent vomiting, or stomach pain.
- Yellowing of the skin or eyes.
- Any symptom that is severe or worrying.
Take the bottle with you if you seek help. Knowing what has been taken changes what a clinician can do, and with children that difference can be substantial.
See a doctor rather than self-treating if a child has a fever that persists beyond a couple of days, is not drinking, is unusually sleepy or difficult to rouse, has a rash that does not fade under pressure, is breathing quickly or with effort, or simply seems more unwell than a routine illness would explain. Those are the signs that matter, and no syrup addresses them.
Related medicine guides
Frequently asked questions
What is Lacson syrup used for? It cannot be verified. No product of that name appears in the South African Medicine Price Registry, so no reliable statement can be made about its ingredients or purpose.
Does that mean it is fake? Not necessarily. Complementary medicines, general-sale products and imports commonly fall outside that register for ordinary reasons.
How do I find out what is in it? Read the active ingredients panel and the leaflet, then take the bottle to a pharmacist.
Could it be lactulose? Do not assume. Similar-sounding names belong to unrelated products, and the only reliable identifier is the active ingredient on the label.
Can I give it to my child? Not until it is identified and you know the dose for their age and weight. Never give an unidentified syrup to an infant.
What if the bottle has no ingredient list? Do not use it. It cannot be dosed safely and cannot be accounted for if someone becomes unwell.
Can I use a kitchen teaspoon to measure it? No. Kitchen spoons vary widely. Use the device supplied, or ask a pharmacy for an oral syringe.
Can I take it with my other medicines? Ask a pharmacist first, once the ingredients are known.