How to Prepare for Glutathione Injection (and What to Avoid Beforehand)

Preparing for a glutathione infusion comes down to four instructions from the clinic: hydrate, eat properly before you come, hold antihistamines for 24 hours, and hold alcohol for 48 hours. Everything else is disclosure — your doctor needs your history, allergies, current medication, asthma status and pregnancy status before deciding whether to treat you at all.

What is the clinic actually asking me to do?

Those four things, and none of them is decorative packaging around a purchase.

Hydrate in the day or two before. Eat properly beforehand rather than turning up having skipped a meal to save time. Stop antihistamines 24 hours out. Stop alcohol 48 hours out. If you cannot do one of them, that is information for the clinic, not a secret to keep from it.

Why 48 hours without alcohol?

Because the clinic asks for it, and it is the instruction patients most often try to negotiate down. A work dinner two nights before, a wedding on the Saturday for a Monday appointment — these come up constantly.

The workable approach is not to guess your way around it. If drinking has already happened inside the window, say so when you arrive and let the doctor decide whether to go ahead, move you, or shorten the session. That decision is theirs to make with your history in front of them. Rearranging an appointment costs you a phone call; concealing something costs the assessment its accuracy.

Why hold antihistamines for 24 hours?

The instruction sits directly alongside a specific feature of how the infusion is run: the glutathione is started deliberately slowly, and for the first ten minutes you are watched for any reaction before the rest is given over the remainder of the 45 to 60 minutes.

Ask your doctor to explain how the two connect for your own case rather than taking a website's word for it. What is not up for interpretation is the instruction itself — and the corollary, which is that if you have taken an antihistamine anyway, for hay fever or a rash or a cold remedy you did not think of as an antihistamine, the clinic needs to hear that before the cannula goes in and not after.

Cold and flu combinations, some sleep aids and several over-the-counter allergy tablets contain antihistamines under names that do not say so on the front of the box. If you are unsure, photograph the packet and bring it.

Why does eating and drinking water matter for a drip?

It makes the practical parts of the appointment easier. A well-hydrated vein is a more straightforward cannulation, and sitting for the better part of an hour having skipped breakfast is a needlessly unpleasant way to spend it.

Neither of those is a claim about how well the treatment works. They are the difference between a comfortable session and an uncomfortable one, which is reason enough.

What do I need to disclose, and when?

At the assessment, before anything is booked. The doctor reviews history, allergies, medication, asthma and pregnancy status, and that review is what decides whether glutathione therapy is appropriate for you and at what dose.

Bring an actual list rather than a summary from memory. That means prescription medicines with doses, anything you take irregularly, supplements including vitamins and minerals, anything bought abroad, and anything a family member recommended. Zinc deserves a specific mention if you already take it — excessive or prolonged glutathione use has been associated with reduced zinc levels, which is part of why courses are dosed and scheduled by a doctor rather than run open-endedly.

Asthma is the one people leave out. Childhood asthma counts. An inhaler you use twice a winter counts. Glutathione is not recommended for patients with asthma, so this is not a detail to round off. Any history of allergic reaction and any respiratory condition belongs in the same conversation.

Treatment is not given in pregnancy or breastfeeding, or where there is a known sensitivity to any component of the infusion.

What could stop the appointment going ahead on the day?

Something disclosed at the door that changes the picture: an antihistamine taken that morning, alcohol inside the window, a chest infection you have picked up since booking, a new medication started last week, a pregnancy. Say all of it.

Being turned away for a fortnight is a mildly annoying outcome. Being treated around a fact the doctor did not have is a worse one, and only one of those is recoverable with a diary change.

How much time should I set aside?

Around 45 to 60 minutes for the infusion, after a deliberately slow first ten minutes. Add meaningful extra time to your first visit, because the assessment happens before any of that.

There is no documented downtime and most patients resume normal activity immediately, so this schedules comfortably into a working day — a long lunch break, or the end of an afternoon. You can generally read, work or take calls while it runs. Bring something to do.

Should I plan anything around a course rather than a single session?

Yes, and this is the part worth understanding before you start. Most patients need four to six sessions before change is visible, and around ten for a full course, with change described as gradual over one to three months — longer on deeper skin tones.

The gap between sessions is set by your doctor after assessing you, not by a standard schedule you can look up. So the sensible planning question at your consultation is not "how soon can I start" but "over what period will this run, and does that fit what I am planning around".

What should I have ready for afterwards?

Very little, which is genuinely the case here rather than a sales line. Ice at home covers the ordinary aftermath at the cannula site — bruising, swelling or tenderness.

What you should have ready is the clinic's number, and a clear rule about when to use it. Do not sit at home deciding for yourself what a symptom means. Contact the clinic if you see spreading redness around the site, pain that is increasing rather than settling, or fever. If you develop breathlessness, wheeze, a widespread rash, or swelling of the face, lips or tongue after you get home, treat it as urgent: seek immediate medical care and tell the clinic what happened. Both branches are on the numbers on this site, and clinical questions are routed to a doctor rather than handled at the front desk.

What is worth asking before you agree to a course?

Three things. What is my pigmentation, specifically — because dullness, melasma, sun damage and post-acne marks are different problems and only some of them are answered by an infusion. What are you expecting this to change, in words rather than shades. And what happens if four sessions in there is nothing to see.

It is also fair to expect a clinic to tell you where the evidence is thin. Glutathione's use for altering skin tone is off-label, the studies are small and mixed, and the intravenous route carries the greater uncertainty. This is offered here as an antioxidant treatment for clarity, not as a way to change the colour you were born with.

And whatever else you do between sessions, wear sunscreen daily. An antioxidant infusion offers no protection from UV, which means without it you are undoing the course between appointments.

What it costs, and where to start

Glutathione IV therapy starts from ₹4,999 per session, and the consultation is ₹500, waived against treatment. If a general restorative rather than a skin outcome is what you are after, IV drip therapy or glow drips may be the more useful conversation.

Book a consultation at Indiranagar or Bellandur, bring your medication and supplement list, and be candid about asthma and allergies. The preparation that matters most is the honest half hour before anyone reaches for a cannula.