Patient Leaflet Updated 09-Dec-2025 | Rosemont Pharmaceuticals Limited
Clonidine hydrochloride 50micrograms/5ml Oral Solution
Clonidine hydrochloride 50micrograms/5ml Oral Solution
Clonidine hydrochloride
1. What is Clonidine hydrochloride and what is it used for
2. What you need to know before you take Clonidine hydrochloride
3. How to take Clonidine hydrochloride
4. Possible side effects
5. How to store Clonidine hydrochloride
6. Contents of the pack and other information
Clonidine hydrochloride belongs to a group of medicines called vasodilators. Vasodilators widen the blood vessels, and this helps the blood to flow more easily.
Clonidine hydrochloride is used to prevent migraine attacks and similar types of headaches. It is also used to prevent hot flushes that may occur in women during the menopause (change of life).
Do not take this medicine if any of the above apply to you. If you are not sure, talk to your doctor, pharmacists or healthcare professional before using Clonidine hydrochloride.
Talk to your doctor, pharmacists or healthcare professional before taking Clonidine hydrochloride.
If you are not sure if any of the above apply to you, talk to your doctor, pharmacists or healthcare professional before taking Clonidine hydrochloride.
As you may get dry eyes whilst taking this medicine, this may be a problem if you wear contact lenses.
Talk to your doctor, pharmacists or healthcare professional if you are taking or have recently taken any other medicines. This includes medicines that you buy without a prescription and herbal medicines. This is because Clonidine hydrochloride can affect the way some other medicines work. Also some other medicines can affect the way Clonidine hydrochloride works.
In particular, tell your doctor or pharmacist if you are taking any of the following medicines:
If you are not sure if any of the above apply to you, talk to your doctor, pharmacists or healthcare professional before taking Clonidine hydrochloride.
You may feel drowsy while taking Clonidine hydrochloride. Drinking alcohol while taking Clonidine hydrochloride can make this worse.
Do not take Clonidine hydrochloride if you are pregnant, likely to get pregnant or are breast-feeding.
You may feel drowsy, dizzy or could have some disturbances of vision. If affected, you should not drive, operate machinery or take part in any activities where these may put you or others at risk.
Methyl hydroxybenzoate (E218) and Propyl hydroxybenzoate (E217), which may cause allergic reactions (possibly delayed).
Always take this medicine exactly as your doctor or pharmacist has told you. Check with your doctor or pharmacist if you are not sure.
Clonidine hydrochloride is not recommended for children.
This medicinal product must be taken orally. Take Clonidine Oral Solution with a glass of water.
Use the measuring syringe provided in the pack to deliver the required dose.
Instructions for use of the syringe
Use the oral syringe supplied in the pack as instructed:
1. To open the bottle, press the cap down and turn it anti-clockwise (Figure 1).
2. Put the syringe adaptor into the bottle neck (Figure 2).
3. Take the syringe and put it into the adaptor opening (Figure 3).
4. Turn the bottle upside down (Figure 4).
5. Fill the syringe with a small amount of solution by pulling the plunger down
(Figure 4A). Then push the plunger upward to remove any possible bubbles (Figure 4B). Finally, pull the plunger down to the graduation mark corresponding to the quantity in millilitres (ml) prescribed by your doctor. The top flat edge of the piston should be in line with the graduation mark you are measuring to (Figure 4C).
6. Turn the bottle the right way up (Figure 5A).
7. Remove the syringe from the adaptor (Figure 5B).
8. Put the end of the syringe into your mouth and push the plunger slowly back in to take the medicine.
9. Wash the syringe with water and let it dry before you use it again.
10. Close the bottle with the plastic screw cap - leave the syringe adaptor in the bottle.
If you take more Clonidine hydrochloride than you should, talk to a doctor or go to a hospital straight away. Take the medicine pack with you, even if there is no medicine left. This is so the doctor knows what you have taken.
If you forget a dose, take it as soon as you remember it. However, if it is nearly time for the next dose, skip the missed dose. Do not take a double dose to make up for a forgotten dose.
Do not stop taking Clonidine hydrochloride without first talking to your doctor.
If you have any further questions on the use of Clonidine hydrochloride, ask your doctor, pharmacists or healthcare professional.
Like all medicines, Clonidine hydrochloride can cause side effects, although not everybody gets them.
The side effects described below have been experienced by people taking Clonidine hydrochloride. They are listed as either very common, common, uncommon, rare or not known.
Very common (affects more than 1 in 10 people)
Common (affects less than 1 in 10 people, more than 1 in 100 people)
Uncommon (affects less than 1 in 100 people, more than 1 in 1,000 people)
Rare (affects less than 1 in 1,000 people, more than 1 in 10,000 people)
Not known
If you get any side effects, talk to your doctor, pharmacists or healthcare professional. This includes any possible side effects not listed in this leaflet. You can also report side effects directly via the Yellow Card Scheme Website at: www.mhra.gov.uk/yellowcard or search for MHRA Yellow Card in the Google Play or Apple App Store. By reporting side effects you can help provide more information on the safety of this medicine.
The active substance is clonidine hydrochloride.
Each 5ml of oral solution contains 50micrograms of clonidine hydrochloride.
The other ingredients are: methyl hydroxybenzoate (E218), propyl hydroxybenzoate (E217), sucralose (E955) and purified water.
Clonidine hydrochloride is a clear colourless solution, supplied in an amber glass bottle, with a tamper evident, child resistant white plastic cap with a 10ml oral syringe with a syringe adaptor.
Clonidine hydrochloride oral solution is supplied in a bottle containing 100ml oral solution.
This leaflet was last approved in October 2025
Clonidine hydrochloride 50micrograms/5ml
Oral Solution
Module 1.3.1
Leaflet
Rosemont House, Yorkdale Industrial Park, Braithwaite Street, Leeds, Yorkshire, LS11 9XE
+44 (0)113 245 3567
+44 (0)800 919 312
+44 (0)795 762 3515
+44 (0)113 244 1400
http://www.rosemontpharma.com